Rockin' your world since 1993 - JTV is the world's largest retailer of loose and wholesale gemstones! Our buyers travel the globe to find you the best deals on exotic sapphires, emeralds and more. Whether you are an avid connoisseur or beginning to discover the radiant world of loose gemstones, we have eye-catching treasures that are a must-have for your collection.
Showcasing 200 gemstones in over 1,000 pages and accompanied by more than 2,000 photos, The Sisk Gemology Reference is a must-have in every collector’s library. Each comprehensive, three-volume set features state-of-the-art photography, detailed illustrations, and scientifically precise descriptions to create an entrancing experience for gemstone amateurs and afficionados alike.