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The American Gem Trade Association (AGTA) and its Members are dedicated to maintaining the highest ethical standards in the gemstone and jewelry industry. For more details about the importance of shopping with an AGTA Member, please visit Add More Color To Your Life.
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Featured Companies



Manak Jewels
Manak Jewels is a renowned name in offering most multifarious color diamonds, briolette, beads, rose cut and old mine diamonds with a world class quality at the right prices. Call us at (415)255-4768 or visit us at www.manakjewels.com.
Cosmos Gems, LLC
Cosmos Gems, established in 1992 is a leading Manufacturer, Exporter and Importer of Precious and Semi-Precious Stones.
Auction Market Resource
Thousands of jewelry items sold at auctions around the world. A resource for antique to contemporary jewelry sales data - final prices, color pictures & full gemological details. Make an informed decision whether you are buying, selling, or appraising.
A G Color, Inc.
AG Color Inc. NY, carries a generations old legacy of being cutters of the finest quality gemstones. A G Color Inc. bears a reputation for unwavering commitment to Service and stric