Gemstones, Gemological Tools

Showing 1-83 of 83 items

Presidium Carat Scale is a compact scale that utilizes advanced circuitry design and surface-mount technology to weigh gemstones up to 100.00ct precisely and accurately for long periods of continuous usage. PCS 100 comes with a weight reference of 100.00 ct for calibration. Features include a weighing capacity of 100.00ct or 20g. Accuracy is a superior 0.01ct or d=0.002g. Weight references provided and low voltage indicator. Auto power down function after 10 minutes from the last measurement. Gram/carat/ozt/grain conversion 0.01ct/0.002 graduation. Operates on 4 x AAA batteries. Operating Conditions are 18 degree C-27 degree C (65 degree F-80 degree F). Package Contents are Presidium Carat Scale, Weighing Tray, Detailed instructions, Warranty card and Leather carrying case.

Presidium 100ct Scale With 0.01 Accuracy

$239.95

These luxurious tweezers are polished stainless, electroplated with 1/2 Micron of 23 K gold. (1 micron =40 mils). These particular tweezers are plated with 20 millionths of an inch of 23 K gold. With inflated gold prices these tweezers are a bargain!

23k Gold Plated Inox Tweezer With Grooved Tip

$39.99

$The Presidium Duo Tester is the only comprehensive tool on the market that combines two proven testing methods for gemstones. The PDT differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT. This unit includes a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industries thinnest probe tip size of 0.6mm, PDT tests gemstones as small as 0.02ct. Note: Does not differentiate between natural and synthetic colored gemstones. The Presidium Duo Tester is a further developed product than the Presidium Gem Tester (PGT), by far the most popular of all Presidium Instruments. The Duo Tester combines in a single unit the functions of thermal conductivity and reflectivity measurement. Thermal Conductivity Measurement makes use of the fact that diamond conducts heat better than any other material, and it is foreseen that no other substance whether natural or synthetic, will ever be comparable with diamond in this respect. Other properties of diamond, such as its high refractive index, can be closely matched by other materials and they are, therefore, less useful identifying this gemstone. Reflectivity Measurement makes use of the fact that diamond and its simulants reflect light proportionally to their respective refractive index, harness and perfection of polish. Operates thru a 120v power adapter or 5 AA batteries. Alkaline batteries should be used as they have a life of approximately 4 hours of continuous use. Ordinary batteries may be used but will give a shorter working life. In depth instructions included.$

Presidium Duo Tester

$459.95

New to the GemVue line of gemological tools! These ultra professional INOX or surgical stainless steel tweezers are perfect for handeling your color stones. These tweezers incorporate a groove in the L1 or Large tip to allow for superior control when handeling medium to large gemstones.

Gemvue Inox Tweezer L1 Tip With Groove

$19.99

Aa Batteries Strip Of 4

$5.99

New to the GemVue line of gemological tools. This 10x 20.5mm silver professional triplet loupe with rubber grip is composed of highest quality color corrected optical glass. Optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Silver Loupe With Rubber Grip

$29.99

$New Portable GemVue Refractometer with external flashlight. 15mm eyepiece and polarizing filter. Black matte finish. Comes in a new slim aluminum case for protection while storing or transporting. Measures 4.5" long, 1.25" wide, and 2.25" tall. AAA batteries (not included) are used with the flashlgiht.; This liquid creates a film between the hemicylinder of the refractometer and the gemstone, allowing an accurate reading. 10 gram bottle with RI of 1.81. Use only in well ventilated conditions. Wear eye protection and protective clothing. Harmful if swallowed, inhaled, or absorbed. This item cannot be shipped to a post office box and cannot be returned. Any unused portion must be disposed of in accordance with local, state, and federal regulations governing chemical substances.; Gem identification made easy, new 4th edition.; Use this chelsea color filter to identify dyed, treated, or imitation stones. 18mm diameter.$

Gemvue Refractometer With Flashlight; Gem Refractive Liquid; Book; Chelsea Filter

$249.99

Gemvue Calcite Dichroscope, Instructions Included

$99.99

New to the GemVue line of gemological tools. This 10x 20.5mm black professional triplet loupe with rubber grip is composed of highest quality color corrected optical glass. Optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Black Loupe With Rubber Grip

$29.99
$17.14 save 43%

The Horizon Diamond Color Grading Lamp by GemOro is the ultimate diamond color grading or task lamp for professional jelewers, gem dealers, and hobbyists. It has a sleek, modern, attractive, space saving design makes it ideal for use on a jelewery counter, showcase, or desk. Avoid eye fatigue and glare while viewing the true color of diamonds and gems. Features 6000k full spectrum natural daylight illumination, adjustable light angle (vertical or horizontal), and long life durable ABS metal construction. UL listed-110V. Energy efficient T5 13W fluorescent bulb included. Measures 720mm length x 140mm width x270mm height.

Horizon Diamond Color Grading Lamp. The Ultimate Diamond Color Grading And Task Lamp

$79.99

$Exclusive to JTV! The GemVue compact polariscope is one of a series of tools that assist in gemstone and mineral identification. This tool is used in conjunction with other gem tools to narrow the range of possibilities when identifying stones and minerals. The primary purpose of this tool is to determine the optic character. Gemstones and minerals exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds differently when viewed through a polariscope. This unit includes three different lighting methods which include daylight equivalent, LED, and also has a built-in sodium light that can be used as the light source to the GemVue Refractometer (GV85). Comes with a leather case and a large interference sphere. The tool operates on three different power options, a standard 120V outlet, USB power cord for you computer (both Mac and PC), or 2 CR2450 batteries. This is a valuable tool for any gem enthusiast.$

Gemvue Portable Polariscope

$199.99

New to the GemVue Line of gemological tools. This 10x 20.5mm gold tone professional triplet loupe is composed of highest quality color corrected optical glass and is for optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Gold Loupe

$29.99

A pocket spectroscope helps its owner analyze light passing through gem material. By discovering what colors of the spectrum are absorbed by the gem, the viewer can understand the distinct characteristics of that gem, gathering useful clues about its identity. This pocket spectroscope comes in a leather carrying case is lightweight and durable. Use it at home, in the office, or on the road in your search for quality gemstones. Instructions included.

Spectroscope With Leather Carrying Case, Instructions Included

$99.99

$The GemPro Refractometer is the professional quality refractometer of choice used by gemologist worldwide. It features a large, easy viewing lens and superior Schott LASF hemicylinder for increased scratch resistance. It includes a Mini-Maglight flashlight (serves as a portable light source), 1.80 Certified Refractive Index liquid and monochromatic filter. Ship wt. 2 lb. Instructions included.$

Gempro Refractometer, Instructions Included

$599.99

You asked for this product and we have delivered. This metal gemstone scoop is a convenient way to sort and work with your of gemstones. Works well with pearls as well. It is a must for hobbyists, collectors and professionals.

Gemstone Scoop

$4.99

This microscope features superior Japanese quality optics with true professional darkfield/brightfield illumination with sliding baffle. Adjustable iris diaphragm controls width of lower light. Gem clip stone holder included. 360 degree rotating head. Comfort eye guards and dust cover included. FIVE YEAR MECHANICAL AND 2 YEAR ELECTRICAL WARRANTY.

Gemoro Elite Model 1030pm (10x And 30x). Five Year Mechanical And 2 Year Electrical Warranty

$299.99

Huge performance in a small package! The Gem-Pro 250 professional digital electronic scale is compact yet accurate--weighs up to 250 carats with 0.005 accuracy. Features 6 weighing functions: carats, grams, ounces, troy ounces, pennyweight, and grains. Includes a calibration weight, A/C adapter, weighing bowl, programmable auto-off function, bright backlight, stainless steel weighing platform, adjustable feet, and level bubble indicator. Gemstones not included.

Gempro 250 Digital Electronic Scale

$169.99

This kit contains 20x eyepieces and five replacement bulbs. Compatible with MICRO1, JLP739, or JLP853. Will increase magnification on the previously mentioned microscopes to 80x. Excellent value!

Microscope Accessory Kit With 20x Eyepieces

$49.99

Use this kit to help you set your gemstones into all types of castings. We designed this kit with every skill level in mind: hobbyist, collector, or professional. Includes 13 different tools; all fit into the durable leather traveling case. Kit includes the following tools: 5 files, Stone Setting Pliers, Pin Vise, Prong lifter, 80mm Brass Gauge, Medium Point Tweezers, Burnisher, Prong Pusher and a Ring Clamp. File types include in this kit include a Barrette file, Square file, Three Square File, Round File and Equaling File. Includes detailed instructions on each tool.

Castings Tool Kit

$69.99

Store or carry any combination of TRAY2, TRAY50S, TRAY25S, MLP92, or MLP21 (the Deluxe Jewelers Tool Kit) in this durable and discreet carrying case. Fully zippered pockets make it easy to remove or insert several trays at once. Includes a slot on the bottom for a business card or label. Outside pocket accommodates all the tools in the Deluxe Jewelers Tool Kit, or carry the tools complete in their leather case inside this bag. Multiple uses. Buy several!

Carrying Case For Trays And Tools

$19.99

GemVue introduces a new lightweight visor that combines two functions, focusing two LED beams of light on an object while magnifying the user's view of the object through a wide-view lens. Use this tool while making jewelry, stringing beads, or examining gemstones or minerals. Comes with four lenses: 1.2x, 1.8x, 2.5x, and 3.5x. Light includes 2 powerful LED lights and can adjust horizontally and vertically. LED lights last nearly 10,000 hours of usage time each. Much longer than traditional fluorescent light bulbs. Adjustable headband. Comes with AAA batteries.

Gemvue Magnifying Visor

$19.95

10x extra large precision 34mm loupe. 8 super bright dual long-life LED illumination. 4 Daylight bulbs and 4 UV Longwave bulbs. Built in millimeter gauge (+/- 1.0mm). High tech durable rubberized handle for ease of handling. Leather case included and 2 AAA batteries.

Gemoro Smart Loupe Pro, 10x With Led And Uv Lighting

$49.95

Great stainless steel tweezers for handling and examining your gemstones. Engineered with perpendicular thumb grooves on outside surface for a secure grip. 6.5 inches overall length. Tweezer jaws are cross-hatched and grooved from the tip back to enhance positive grip on each stone. Comes in a plastic case.

Gemstone Tweezers With Grooved Tip

$8.99

Amber with insect inclusions mm varies round on a magnifying stand.

Amber With Insect Inclusions Mm Varies Round On A Magnifying Stand

$29.99
$14.78 save 51%

Exclusive to JTV and patented technology by our manufacture! This 10x triplet GemVue loupe combines all the features you want in one superior tool. Large 21mm lens offers the large viewing area. Matte black frame reduces glare and darkfield illuminatio built into the lens! LED light ring illuminates gemstones or jewelry with the flick of a switch! A UV light is incorporated as well to test stone flouresence. Includes leather carrying case, battery key, and batteries included.

Gemvue 10x Triplet Led/Uv Lighted Loupe

$34.44

$This sleek GemVue digital caliper maximizes the accuracy of your measurements. This professional tool measures in millimeters, inches and inches with fractions! Accurate out to 0.01mm. Four different kinds of measurements are possible with this tool: outside; inside, step, and depth. A must-have for anyone working with gemstones, jewelry, castings, and semi mounts. Save time and headaches with a large LED readout. Includes instructions and a handy carrying case. LR44 batteries included.$

Gemvue Digital Caliper

$34.95
$26.14 save 25%

Portable folding florescent lamp, perfect for desk or workbench. No switch to fiddle with: flip up the lamp, and the light comes on. Close the lamp, and the light goes off. Lamp stands 11.5 inches tall, but takes up only 3.5 inches square on your desk or workbench. Bright white lid and back plate make maximum use of light. Back and base have slots to mount the lamp on the wall above desk or bench. 13 watt/120V. Replacement bulb available (BULB3).

Folding Desk Lamp

$29.99

Use this darkfield loupe to utilize lateral illumination, which allows for easy identification of all type of gemstone inclusions. Extremely useful for identification of colored gemstones. Inclusions are integral to knowing whether a gemstone has been treated in some way shape or form. This darkfield loupe provides an invaluable benefit for anyone who must travel or identify gemstones when away. Excellent portability! Comes with a protective zippered case and instructions.

Gemvue Dark-field Loupe With Flashlight

$49.99
$29.99 save 40%

$This liquid creates a film between the hemicylinder of the refractometer and the gemstone, allowing an accurate reading. 10 gram bottle with RI of 1.81. Use only in well ventilated conditions. Wear eye protection and protective clothing. Harmful if swallowed, inhaled, or absorbed. This item cannot be shipped to a post office box and cannot be returned. Any unused portion must be disposed of in accordance with local, state, and federal regulations governing chemical substances.$

10 Gram Bottle Of Gem Refractive Index Liquid (Non Returnable)

$69.99

$The GemVue handheld polariscope is one of a series of tools that assist in gemstone and mineral identification. This tool is used in conjunction with other gem tools to narrow the range of possibilities when identifying stones and minerals. The primary purpose of this tool is to determine the optic character. Gemstones and minerals exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds differently when viewed through a polariscope. This is a valuable tool for any gem enthusiast. Requires 2 AA batteries (not included). Includes zippered protective carrying case.$

Gemvue Polariscope With Case

$34.99
$27.72 save 21%

Calcite Dichroscope

$99.99

The GemVue compact microscope has been redesigned and allows the user to examine gemstones, jewelry, minerals, coins, or even prepared slides under crisp 20x magnification. Unlike traditional larger microscopes you can take advantage of the compact size and have the freedom to do other tasks on your desk or workstation. Includes an illuminating light, a white viewing platform, and a translucent viewing platform so that you can create diffused light from beneath the viewing platform. 10X eyepieces with 2X fixed objective lens provide unmatched optical quality that can open the door of internal treasures. Includes 5 replacement bulbs, a stone holder, and plastic cover for your convenience. Requires 2 AA batteries that are not included.

Gemvue Compact Microscope

$99.99

Gemstone Sorting Kit

$24.99
$19.91 save 20%

New and redesigned this kit covers your gemstone needs. Use it to handle and evaluate gemstones at home or on the road. Includes these tools: 10X-21mm hexagon loupe. Brass gauge that measures dimensions up to 80mm. 1 pair of medium tipped gemstone tweezers. Gemstone holder, polishing leather and gemstone scoop . Large gemstone tray with 80mm scale (new). New pen light to test stones for color change or just grading for color. AAA batteries required for penlight.

Gemstone Essentials Kit With Case

$39.99
$29.81 save 25%

Gemvue Inox Tweezer M1 Tip With Groove

$19.99

$All the features of the best German gauges at a fraction of the cost. This durable, versatile brass gauge measures up to 80 millimeters one-tenth millimeter increments. Also measures in inches. Features notched jaws for inside or outside measurements. Includes vernier scale for complete accuracy. Compact design; fits in a shirt pocket. Comes with handy keychain clip.$

80 Mm Brass Gauge

$5.99

10X 18mm compact chrome loupe with case. Carry it with you when you are shopping for gemstones or jewelry. This tool will open up your world to gemstones.

10x 18mm Compact Chrome Loupe With Case

$14.99

Use this chelsea color filter to identify dyed, treated, or imitation stones. 18mm diameter. Sleek white metal finish. Notched frame for easy operation. compact design. 50 mm long, 30 mm wide, 9mm thick in closed position. An essential tool for examining gemstones.

Gemvue Chelsea Filter

$29.99

This convenient dial gauge measures thickness in 1/10th mm increments, up to 20mm total thickness. Easy-to-read analog scale. Great portable tool for matching stones. Comes with protective case. Fits in a shirt pocket.

20 Mm Thickness Dial Gauge

$17.99
$12.99 save 28%

GemOro 745 ZS GemMicroscope features 7X - 45X zoom microscope with optional additional overhead light source capability (not included). True professional Darkfield/Brighfield illumination with "Sliding Baffle". Adjustable Iris Diaphragm controls the width of the lower light. Gem Clip is included. International adaptable voltage (120V/220V) is built in allow the user to travel overseas. 360 degree rotating head, comfort eye guards for the eye pieces. Dust cover comes included as not additional charge and has a five year mechanical and 2 year electrical warranty. Ship wt. 15 lb.

Gemoro Elite Microscope 745 Zs

$695.00

$A must-have for anyone interested in colored gemstones. Use this compact calcite dichroscope to differentiate single-refracting colored gemstones from double-refracting ones. A valuable tool for examining rough to assess its identification and its color before cutting and polishing. Comes in a protective leather case.; A GemVue diffraction spectroscope helps its owner analyze light passing through gem material. By discovering what colors of the spectrum are absorbed by the gem, the viewer can understand the distinct characteristics of that gem, gathering useful clues about its identity. This pocket spectroscope comes in a leather carrying case is lightweight and durable. Use it at home, in the office, or on the road in your search for quality gemstones.$

Gemvue Calcite Dichroscope; Gemvue Diffraction Spectroscope With Carrying Case

$79.98

GemVue diamond tester utilizes the feature that diamonds have very high thermal conductivity. Use it to test loose or mounted stones. Calibrates to adjust for temperature and size differences of the stone. Equipped with an ultraviolet light to test fluorescent reaction of stones. Comes with a leather case and operating instructions. Uses a single 9v battery (NOT included). (NOTE: it does not differentiate natural diamond from synthetic moissanite.)

Gemvue Diamond Tester

$99.99
$39.99 save 60%

The GemVue Multi-Tester has been developed to distinguish between diamonds and moissanite using the combined principles of Thermal and Electrical Conductivity. The measuring probe, with its electronic circuitries is designed to detect and segregate data collected from the gemstones via a customized circuit board designed exclusively for this tool. The information gathered will be displayed within seconds. Features include the following: tests stones mounted in jewelry or loose stones (stone-holder included), built in metal alert, fully automatic which means no calibration by the user, UV light to detect florescence in both diamond and moissanite. Requires one 9-volt battery (not included) and a carrying case.

Gemvue Multi-tester With Case

$149.95
$69.99 save 53%

Gemvue Refractometer With Flashlight And Protective Case

$249.99

Gemoro Ultra Tester II Diamond and Moissanite tester. Identifies, detects, and separates Diamond from CZ and Moissanite. The ultimate protection against fraud. Unprecedented lifetime limited warranty! Designed in the USA, this instrument features bright white LED illuminator light, ergonomic shape with Ultra Grip rubberized paint finish, exclusive metal warning indicator,battery saving auto sleep function,durable ultra probe tip, probe tip sensitivity enhancer sheath (PTSES), and LED bar graph/beep tone that provides an audible and visual diamond, moissanite, and white sapphire indication. Protective carrying case, batteries (AAA), leatherette storage box, and loose stone holder included!

Gemoro Ultra Tester Ii Diamondand Moissanite Tester

$224.95

Store or display your gems in this sturdy new gem tray with cover. 50 individual redesigned from the ground up screw top gem jars. Each one is approx 1 inch in diameter x 0.5 inches deep, and each with a white foam cushion and lid which screws into place preventing jars from popping open. The tray's top, bottom, and sides are finished in textured black. White foam makes your gems stand out in contrast. Overall dimensions 14.5" x 8.25" x 1".; Gem tray with 16 twist top gem containers. The containers measure approximately 20mm deep by 36.5mm wide. The black gem tray measures approximately 8x8 inches. Comes with blank labels to identify your gemstones.

Gem Tray With 50 New Screw Top Jars; Gem Tray With 16 Twist Top Gem Containers

$39.99

The GemOro Lite Loupe is the world's most stylish and professional loupe with LED lighting. Features 10x magnification with a large 20mm lens. Ergonomic thumb curve with a foldable design. Perfectly balanced LED light illumination with 3 position switch. 3 super bright white daylight LED bulbs as well as 3 UV bulbs with 400nm strength. Super light weigh frame design which eliminates hand and neck fatigue. Includes lanyard and batteries. One year limited replacement warranty (batteries excluded).

Gemoro 10x Lite Loupe 20mm Blue With Swarovski Crystals

$99.50

Gemvue Tweezer Kit

$24.99

$The GemVue Tabletop polariscope is one of a series of tools that assist in gemstone and mineral identification. This tool is used in conjunction with other gem tools to narrow the range of possibilities when identifying stones and minerals. The primary purpose of this tool is to determine the optic character. Gemstones and minerals exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds differently when viewed through a polariscope. This unit also has a built-in light and a slit in the base of the unit that allows it to be used as a light source for various refractometers and other gemological instruments. This is a valuable tool for any gem enthusiast. Comes with a protective cover to prevent dust build up and a large interference sphere. The tool operates on a standard 120V outlet. No batteries required.$

Gemvue Tabletop Polariscope

$299.99
$149.99 save 50%

Gemoro 10x Lite Loupe 20mm Gold With Swarovski Crystals

$99.50

$The Presidium Reflectivity Meter is designed to identify diamonds, moissanites, and gemstones based on their optical properties. Designed to identify polished gemstones, the PRM measures the quantity of light reflected through the gemstone in order to provide an instant reading of its reflective index. Includes a built in reflectivity chart which list the most common gemstones for immediate reference. The Presidium Reflectivity Meter is developed to help you distinguish between Diamond from its simulants. Reflectivity Measurement makes use of the fact that diamond and its simulants reflect light proportionally to their respective refractive index, harness and perfection of polish. Since the first reflectivity instrument for gemstones identification was built by L.C. Trumper in 1959, this concept has been widely used in the jewelry trade. Today, there are many newly released Diamond simulants with its thermal properties that are so close to those of Diamond. Operates thru a 120v power adapter or 9 volt battery. Alkaline batteries should be used. Ordinary batteries may be used but will give a shorter working life. Detailed instructions included.$

Presidium Reflectivity Meter

$195.95

5 PC Black Cup Set for use with any scale. Use these bowls for weighing large amounts of gemstones.

5 Pc Bowl Set For Scales

$9.99

Colored stone paper is an excellent way to store your colored stones. Show off your loose color stones in a well contrasted paper to make those color really pop! Measure 2 7/8" x 1 5/8" folded and fit nicely into stone paper wallets. Pack of 25. Stones not included.

Gemstone Parcel Paper, Pack Of 25 (Sapphire ). Stones Not Included.

$7.99

New to the GemVue Line of gemological tools. This 10x 20.5mm silver professional triplet loupe is composed of highest quality color corrected optical glass and is for optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Silver Loupe

$29.99

Gemstone Parcel Paper, Pack Of 25 (Emerald). Stones Not Included.

$7.99

$A GemVue diffraction spectroscope helps its owner analyze light passing through gem material. By discovering what colors of the spectrum are absorbed by the gem, the viewer can understand the distinct characteristics of that gem, gathering useful clues about its identity. This pocket spectroscope comes in a leather carrying case is lightweight and durable. Use it at home, in the office, or on the road in your search for quality gemstones.$

Gemvue Diffraction Spectroscope With Carrying Case

$99.99

9 Volt Battery

$7.99

New to the GemVue line of gemological tools! These ultra light weight and professional Titanium tweezers are perfect for handeling your color stones. These tweezers incorporate a groove in the F1 or Fine tip to allow for superior control when handeling small, medium or large gemstones.

Gemvue Titanium F1 Tweezer With Groove

$29.99

$This portable gemological tool visually shows if a gemstone is doubly or singularly refractive. It is also used for identifying moissanite and detecting strain in diamonds. It uses a precision, high quality glass lens, as opposed to plastic. Battery operated and includes a Mini Maglite source and batteries.$

Gempro Polariscope

$299.99

Cr9027 Battery Strip Of 5

$9.99

Dumont Titanium Tweezers Fine Point

$34.95

LED natural daylight illuminated gem scope for the ultimate gemological professional! Precision 10X - 67X zoom Japanese optics in an Olympus style head. Tilt viewing angel with 360 degree swivel head and base. Adjustable iris diaphragm and darkfield/brightfield attachments. LED goose neck interchangeable UV/LED lightsource can be used on right or left side of base. Briefcase style all metal carrying case. Five year mechanical and two year electrical manufactures warranty.

Elite Signature Series Diascopepro Limited Edition 1067 Led

$2,395.00

Gemoro 10x Lite Loupe 20mm Silver With Swarovski Crystals

$99.50

Gemstone Parcel Paper, Pack Of 25 (Ruby). Stones Not Included.

$7.99

Presidium Dial Gauge measures from 0.0 to 23.0mm in 0.1mm divisions. The PDG features an easy-to-read millimeter and carat scale, and is only dial gauge in the industry that combines dual measurements for gemstones in millimeters with corresponding carat conversion for round brilliant-cut gemstones. PDG also contains an inner scale display for US ring size measurements. The PDG is manufactured to the highest quality and features a patented anvil with a non-metallic lubrication-free rack and pinion technology that resist wear and tear and maintain its accuracy. Features include instantly converting millimeter readings to carats for round brilliant-cut gemstones. Measures from 0.00 to 23.00mm. 0.02mm instrumental error, with simple zero realignment. Analog gauge with mm/ct/ring size display. Patented anvil with smooth slider mechanism. Portable and lightweight with compact protective case included. Attachment for high setting jewelry provided. Presidium Gemstone Weight Estimation Table provided. Dimensions and Weight: Length: 97mm (3.82 inches) Width: 61mm (2.4 inches) Height: 16mm (0.63 inches) Weight: 100g Package contents include Presidium Dial Gauge, high setting jewelry attachment, presidium Gemstone Weight Estimation Table, detailed instructions, warranty card and plastic carrying case.

Presidium Dial Gauge 0-23mm

$149.95

New to the GemVue Line of gemological tools. This 10x 20.5mm black professional triplet loupe is composed of highest quality color corrected optical glass and is for optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Black Loupe

$29.99

Presidium Electronic Gemstone Gauge

$249.95

Aaa Batteries Strip Of 4

$5.99

Gemoro Elite 1067zx Microscope (10x-67x Zoom)

$895.00

Gemoro 10x Lite Loupe 20mm Pink With Swarovski Crystals

$99.50

Gemoro Ultradock Tester Charging Stand

$24.95

Gemvue Inox Tweezer Xf Tip

$19.99

$A convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity. Presidium Gemstone Computer Gauge measures the dimensions and estimates the weight of loose and mounted gemstones with precision, speed, and ease. After entering the weight and the measurements of a gemstone, PGCG narrows its identity by computing its specifc gravity value. With the sophisticated interface, gemstone measurement records can be easily imported and printed. Also includes a CD-Rom that lists the specific gravity value, refractive index and hardness measurements of 133 common gemstones in the market for handy reference. Features include measurement from 0.0 to 25.0mm. Accuracy: 0.01mm and has a tolerance 0.02mm. Digital mm/ct display with automatic shut off when idle for 10 minutes. Auto-magnetic shut-off when placed in carrying case and computer interface display with CD and USB connectivity. Specific Gravity (S.G.) dictionary for quick and easy reference included and CD-ROM containing information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included. Benefits include measurement of actual gemstone dimensions and estimates gemstone weight and identity. Measures 74 gemstones and 9 different shapes. Accurate measurement to 0.01mm. Direct carat conversion for round brilliant-cut diamonds. Clear and visible display for ease of reading measurements. Light and portable instrument that can be used anywhere. PC connectivity for ease of importing and printing measurement results. Dimensions and Weight: Length: 97mm (3.82 inches) Width: 61mm (2.4 inches) Height: 16mm (0.63 inches) Weight: 120g (without battery). Battery is 1 x CR-2450 3V battery (about 80 hours of continuous use). Detailed instructions are includedd.$

Presidium Gemstone Computer Gauge 0-25mm

$269.95

Dumont Medium Pt. Titanium Tweezers

$34.95

Gemvue Titanium L1 Tweezer With Groove

$29.99

The Presidium Mulit Tester III has been developed to distinguish between diamonds and moissanite using the combined principles of Thermal and Electrical Conductivity. The measuring probe, with its electronic circuitries is designed to detect and segregate data collected from the gemstones via a customized microcontroller. The information gathered will be displayed within seconds. This instrument has been designed with the following objectives. First, aid in identification of diamonds and moissanite with a single instrument. Second, provide consistent and reliable test results and finally, enhanced ergonomic features, such as visibility of test results, maximum grip comfort, and ease of use and portability. Features include no waiting time between tests. Clear LED display, with 180 degree vision to provide multiple angle viewing display. Ergonomically enhanced rubber grip for maximum comfort. Built in metal detector, low battery indicator and automatic power off function. Operates on three AAA batteries (not included). Alkaline batteries should be used as they have a life of approximately 2.5 hours of continuous use. Ordinary batteries may be used but will give a shorter working life. Includes detailed instructions.

Presidium Multi Tester

$249.95

New to the GemVue line of gemological tools. This 10x 20.5mm satin finish professional triplet loupe with rubber grip is composed of highest quality color corrected optical glass. Optimal performance at home or in the field. Includes hand sewn leather case to protect the loupe in pocket, briefcase, or purse. Use this loupe to assess gemstones, jewelry, and other collectibles.

Gemvue 10x Triplet 20.5mm Satin Finish Loupe With Rubber Grip

$29.99
$17.14 save 43%

Overhead Lightsource For Gemoro1030

$99.99

$The Presidium Diamond Fact II has been developed to distinguish between a diamond and its simulants. It makes use of the fact that a diamond conduct heat better than any known diamond simulant. Other properties of diamond, such as its high refractive index, can be closely matched by other materials and they are therefore less useful in identifying this gemstone. The PDF has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industries thinnest probe tip size of 0.6mm, the PDF tests diamonds as small as 0.02ct. The Presidium Diamond Fact II is based on an invention by Professor Julian Goldsmid of the University of New South Wales, Australia. The Heat Pen consists of two linked thermometers, one of which is heated electrically while the other is cooled by the gemstone being tested. The difference between the temperatures of the two thermometers is a measure of the heat conductivity of the gemstone and gives rise to an electrical output that is amplified and displayed on a meter. The meter reading thus indicated the heat conductivity. This unit relies on two AA batteries. Alkaline batteries should be used as they have a life of approximately 4 hours of continuous use. Ordinary batteries may be used but will give a shorter working life. Features include: a retractable thermoelectric probe tip that ensures constant pressure between probe and stone for accurate and reliable testing. Industries thinnest probe tip (0.6mm) for testing diamonds as small as 0.02ct. Metal alert buzzer to ensure that probe tips is in contact with the gemstone during testing. Easy to read analog display and built in diamond and simulant test discs for reference. Benefits of using this product allows the user to distinguish diamonds from its simulants instantly. Test both polished and unpolished gemstones of any shape. Test diamonds as small as 0.02ct with reliable results every time. Simple, yet easy to use, also light and portable. Note: Presidium Diamond Fact II is an improved version of the previous model Presidium Diamond Fact. The PDF II comes with the Auto Thermal Control for the heat pen to provide more reliable reading and no waiting time is needed after each test.$

Presidium Diamond Fact Ii

$114.44