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Learn About Diamonds, Precious Gemstones, Jewelry, Colored Gem Grading & Basic Gemology

Museum of Portable Gemscales for the gem and jewelry industry

The largest gemology study and reference site on the internet

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

Online guide to gemstone prices for industry professionals. Gemstone current market values, free online appraisal.

AN EXPAT IN THAILAND After 30 years in Alaska and 20 odd years in the Midwest then Bangkok and just returned to Alaska. As a child of the 60's I...

We are a supplier of semi-precious gemstone rough as well as semi-precious & precious gemstones cut to customer specifications. We cut our stones from our rough, we source stones through our contacts in producusing countries like Brazil, Tanzania...

On line Gemology Course, learn how to grade and identify gemstones, diamonds and colored stones. Get hands on experience using real gems.

Find an unrivaled selection of stunning colored diamonds, diamond jewelry, precious gems, semi-precious gemstones, engagement rings, earrings, necklaces and bracelets including Tanzanite, white diamonds, Sapphires, Emeralds and so much more at leadin...

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Stroll down Ruby Lane to buy and sell quality Antiques & Art, Vintage Collectibles and Jewelry from thousands of vetted independent shops, since 1998.

Buy Gemstones Online. Loose Semi-Precious and Precious Stones: Sapphire, Spinel, Topaz, Garnet, Tourmaline, Opal, Emerald, Ruby, Amethyst and Birthstones