Pricing the world's most precious gems.

Providing wholesale gemstone pricing, appraisal software, education, and appraisal tools for the jewelry industry.

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The GemGuide

The Industry Leader for Gem Pricing and Market Information. True, reliable, researched, wholesale prices for diamonds, colored gems, pearls and opals. Choose a subscription model that works for your business.

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Appraisal Software

The GemGuide Appraisal Software (GAS) is jewelry appraising software made easy and fast, increasing profitability.

How it works

World of Color

Accurately describe, grade, and price all colored gems. Based on Munsell with over 1,400 colors.

How it works

Get Educated for Business.

The authority in precious gemstone pricing educating the industry on current pricing trends and gem treatments. We educate through classes, articles, speaking engagements and our own World of Gems conference.

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Find appraiser

Don’t know how to find a jewelry appraiser? Use our exclusive network to find the closest one to you.

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Get on the map

Are you a professional appraiser? Add your listing to our database and get discovered by customers near you.

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