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Gemstones, 18X13

Showing 1-24 of 121 items

Brazilian london blue topaz average 15.25ct 18x13mm oval. Gemstone mined in Brazil and cut in China.

Brazilian London Blue Topaz Average 15.25ct 18x13mm Oval

$174.99
$142.46 save 19%

Black spinel average 16.00ct 18x13mm octagon specialty cut(TM). Gemstone mined thailand and cut in india.

Black Spinel Average 16.00ct 18x13mm Octagon Specialty Cut (Tm)

$69.99
$29.99 save 57%

Colheita Fire Opal(Tm) Average 8.00ct 18x13mm Oval. Mined And Cut In Brazil.<br/><br/>Colheita Fire Opal(TM) From the sunny land of southern Brazil comes the latest addition to the Jewelry Television family of gemstones: Colheita Fire Opal. Meaning "to harvest" in native Portuguese, Colheita Fire Opal is typically harvested in soybean fields between growing seasons. And what a fiery gem crop to mine! With blazing, intense hues that appear to be on fire from within, the colors of Colheita Fire Opal can range from vivid yellows to tangerine oranges to dramatic reddish oranges. With exceptional clarity and dazzlingly brilliant colors, Colheita Fire Opal will make an excellent addition to your gem collection or make the perfect focal stone for your jewelry making purposes. Comparable in beauty and quality to the finest Mexican fire opals, Colheita Fire Opal is available exclusively at Jewelry Television and jtv.com.

Colheita Fire Opal(Tm) Average 8.00ct 18x13mm Oval

$734.99

Nigerian emerald envy(TM) and pure pink(TM) bi-color mystic topaz average 18.00ct 18x13mm emerald cut. Mined in Nigeria and cut in India.

Nigerian Emerald Envy(Tm) And Pure Pink(Tm) Bi-color Mystic Topaz Average 18ct 18x13mm Emerald Cut

$159.99

3 x $53.33

Cor-de-rosa Morganite Average 13.75ct 18x13mm Rectangular Cushion. Gemstone Mined In Mozambique And Cut In India.<br/><br/>Discovered at the turn of the 20th century, Morganite was named in honor of JP Morgan, one of the most important collectors of gems and minerals at this important time in American history. Hailing from Mozambique, Cor-de-Rosa Morganite's color is serene and tender, radiating a charm and vitality like no other pink gem. Its name was derived from the Portuguese adjective meaning pink. Available in shades ranging from pastel pink to feisty fuchsia to subtle apricot, we have a diverse mixture of gems sure to satisfy our most discriminating customers! Fall in love with Cor-de-Rosa Morganite today!

Cor-de-rosa Morganite Average 13.75ct 18x13mm Rectangular Cushion

$893.99

Kadenze(Tm) Collection Chinese Fluorite Average 13.50ct 18x13mm Oval Quantum Cut(R). Mined And Cut In China.<br/><br/>Kadenze(TM) The name Kadenze(TM), inspired by the French word 'cadence', refers to rhythmic balance and measure. Exclusive to Jewelry Television(TM), the Kadenze (TM) collection features specialty cut gemstones fashioned with the perfect balance of art and science. Only the very finest natural gemstones have been selected to be fashioned into cuts rarely, if ever, seen in the market. Expertly calibrated, each Kadenze(TM) gem is a testament to the fine art of faceting and its amazing results.

Kadenze(Tm) Collection Chinese Fluorite Average 13.50ct 18x13mm Oval Quantum Cut(R)

$44.99

Cor-de-rosa Morganite Average 12.00ct 18x13mm Oval. Gemstone Mined In Mozambique And Cut In India.<br/><br/>Discovered at the turn of the 20th century, Morganite was named in honor of JP Morgan, one of the most important collectors of gems and minerals at this important time in American history. Hailing from Mozambique, Cor-de-Rosa Morganite's color is serene and tender, radiating a charm and vitality like no other pink gem. Its name was derived from the Portuguese adjective meaning pink. Available in shades ranging from pastel pink to feisty fuchsia to subtle apricot, we have a diverse mixture of gems sure to satisfy our most discriminating customers! Fall in love with Cor-de-Rosa Morganite today!

Cor-de-rosa Morganite Average 12.00ct 18x13mm Oval

$659.99

Brazilian rock crystal quartz average 11.00ct 18x13mm rectangular cushion. Gemstone mined in Brazil and cut in India.

Brazilian Rock Crystal Quartz Average 11.00ct 18x13mm Rectangular Cushion

$28.99

Chinese Spanish rose drusy quartz 18x13mm oval. Mined in China and cut in the United States.

Chinese Spanish Rose Drusy Quartz 18x13mm Oval

$34.99
$14.88 save 57%

Cor-de-rosa Morganite Average 9.25ct 18x13mm Pear Shape. Gemstone Mined In Mozambique And Cut In India.<br/><br/>Discovered at the turn of the 20th century, Morganite was named in honor of JP Morgan, one of the most important collectors of gems and minerals at this important time in American history. Hailing from Mozambique, Cor-de-Rosa Morganite?s color is serene and tender, radiating a charm and vitality like no other pink gem. Its name was derived from the Portuguese adjective meaning pink. Available in shades ranging from pastel pink to feisty fuchsia to subtle apricot, we have a diverse mixture of gems sure to satisfy our most discriminating customers! Fall in love with Cor-de-Rosa Morganite today!

Cor-de-rosa Morganite Average 9.25ct 18x13mm Pear Shape

$509.99

Bolivian amethyst average 14.25ct 18x13mm emerald cut. Mined in Bolivia and cut in India.

Bolivian Amethyst Average 14.25ct 18x13mm Emerald Cut

$169.99

3 x $56.66

Set of 2 Mexican Turquoise average 16.00ctw 18x13mm oval cabochon. Mined and cut in Mexico.

Set Of 2 Mexican Turquoise Average 16.00ctw 18x13mm Oval Cabochon

$22.49

Red-green synthetic opal triplet, 18X13mm oval cabochon. Made in China.

Red-green Synthetic Opal Triplet 18x13mm Oval Cabochon

$19.74

Special Offer!

Colombian copal average 4.50ct 18x13mm oval cabochon with insect inclusions. Gemstone cut and mined in Colombia.

Colombian Copal Average 4.50ct 18x13mm Oval Cabochon With Insect Inclusions

$18.74

Special Offer!

Mali Prehnite average 12.00ct 18x13mm oval, checkerboard cut. Gemstone mined in Mali and cut in India.

Mali Prehnite Average 12.00ct 18x13mm Oval Checkerboard Cut

$37.99

Brazilian indicolite in quartz average 9.80ct 18x13mm oval mirror cut. Color and pattern vary. Gemstone mined in Brazil and cut in India.

Brazilian Indicolite In Quartz Average 9.80ct 18x13mm Oval Mirror Cut Color And Pattern Vary

$39.99

Copal average 4.00ct 18x13mm oval cabochon with insect inclusions.

Copal Average 4.00ct 18x13mm Oval Cabochon With Insect Inclusions

$19.74

Special Offer!

Kadenze(Tm) Collection Lemon Quartz Average 10.50ct 18x13mm Oval, Quantum Cut(R). Gemstone From Brazil.<br/><br/>Kadenze(TM) Collection The name Kadenze(TM) inspired by the French word 'cadence', refers to rhythmic balance and measure. Exclusive to Jewelry Television(TM) the Kadenze(TM) collection features specialty cut gemstones fashioned with the perfect balance of art and science. Only the very finest natural gemstones have been selected to be fashioned into cuts rarely, if ever, seen in the market. Expertly calibrated, each Kadenze(TM) gem is a testament to the fine art of faceting and its amazing results.

Kadenze(Tm) Collection Lemon Quartz, Average 10.50ct 18x13mm Oval, Quantum Cut(R)

$47.99
$24.48 save 49%

Kadenze(Tm) Collection Lavender Quartz Average 10.50ct 18x13mm Oval Quantum Cut(R) Gemstone Mined In Brazil And Cut In India.<br/><br/>Kadenze(TM) The name Kadenze(TM) inspired by the French word 'cadence', refers to rhythmic balance and measure. Exclusive to Jewelry Television(TM) the Kadenze(TM) collection features specialty cut gemstones fashioned with the perfect balance of art and science. Only the very finest natural gemstones have been selected to be fashioned into cuts rarely, if ever, seen in the market. Expertly calibrated, each Kadenze(TM) gem is a testament to the fine art of faceting and its amazing results.

Kadenze(Tm) Collection Lavender Quartz Average 10.50ct 18x13mm Oval Quantum Cut(R)

$46.99
$28.19 save 40%

Czech Republic Moldavite Average 10.00ct 18x13mm Rectangular Cushion. Gemstone Mined In Czech Republic And Cut In China.<br/><br/>One of the greatest mysteries of our time surrounds the rich olive gemstone, moldavite. Moldavite is a form of tektite. Derived from the Greek word tektos, "to melt," tektite is a naturally occurring glass believed to have extraterrestrial origins. Moldavite is thought to the creation of a meteorite that fell to the earth 15-20 million years ago. The surface of the meteorite fused and melted away upon entering the Earth's atmosphere, scattering the material along the Moldau River in the Czech Republic. The only "celestial" gemstone known to man, moldavite has been associated with the stone of the Holy Grail. It is said to have fallen from Satan's crown as he fell from heaven. Celebrate the mystery of the only celestial gemstone known to man...Moldavite...a brilliant cosmic creation!

Czech Republic Moldavite Average 10.00ct 18x13mm Rectangular Cushion

$249.99
$124.99 save 50%

Coober Pedy mine opal triplet 18x13mm oval, cabochon. Gemstone mined in Austrailia and assembled in Hong Kong.

Coober Pedy Mine Opal Triplet 18x13mm Oval Cabochon

$120.99

2 x $60.49

Maw-sit-sit average 12.00ct 18x13mm rectangular cushion. Gemstone mined in Myanmar and cut in Thailand.

Maw-sit-sit Average 12.00ct 18x13mm Rectangular Cushion

$39.99

Gemsavvy Nostalgia(Tm) We Created This Sterling Silver Pendant With Longer Prongs Specifically For Drusy Quartz Or Other Stones Of Similar Full Dimension. This 4-prong Pendant Accepts An 18x13 Mm Oval Stone. It Features A Drop Measuring 1 1/16 Inch And A Width Measuring 1/2 Inch. The Large Bail Measures 3.5mm. Includes An Anti-tarnish Treatment. Made In The U.S.A.<br/><br/>Presenting GemSavvy, an exclusive line of calibrated castings and semi mounts that require the use of tools to set your stone. But you don't have to be a bench jeweler to enjoy these settings! For those who are comfortable with their stone setting skills, go ahead, get your pliers ready and create your unique piece of jewelry now! If you're a beginning stone setter, you may want some assistance; it's all up to you. Available in 14kt, 10kt and sterling silver, GemSavvy gives you a wide variety of rings, earrings, pendants and bracelets to choose from. GemSavvy Castings and Semi Mounts..exclusively on Jewelry Television and jtv.com. The Nostalgia Casting and Semi Mount Collection(tm) has a classic, understated style that complements any type of wardrobe or accessory. Regardless of the type of jewelry you want to create, the Nostalgia Casting and Semi Mount Collection (tm)offers a wide range of styles for designing the jewelry pieces you'll wear for a lifetime.

Gemsavvy Nostalgia(Tm) Sterling Silver 18x13mm Oval Pendant Casting

$19.99

Gemgroove Sentiment(Tm) 18x13mm Oval Sterling Silver Rhodium Plated Back Set Bezel Pendant Casting. This Pendant Casting Has A Drop Measuring 1 1/8 Inch And A Width Measuring 9/16 Inch. The Bail Is 3mm.<br/><br/>Introducing GemGroove, an exclusive line of calibrated back set bezel castings and semi mounts that are so simple to use that you can wear your new jewelry item the same day. Available in 14kt, 10kt and sterling silver, GemGroove gives you a full selection of rings, earrings, pendants and bracelets. There's no special skills needed. These settings are designed for beginners as well as seasoned jewelers. GemGroove gives you the assurance that your gem is securely in place, as well the added benefit of extra protection for the stone as it is recessed into the setting. It's as easy as 1, 2, 3... just select your favorite setting, place your gem face down into the setting, push the metal tabs securely down over the back of the stone and voila GemGroove exclusively on Jewelry Television and jtv.com. An antique, romantic style that is a throw-back to the glorious designs of earlier eras. With flowing designs and loads of intricate metalwork, the Sentiments Casting and Semi Mount Collection is for you if you're a romantic at heart.

Gemgroove Sentiment(Tm) 18x13mm Oval Sterling Silver Rhodium Plated Back Set Bezel Pendant Casting

$34.99

Showing 1-24 of 121 items

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