Gemworld International, Inc.

Market ResearchIllinois, United States11-50 Employees

Gemworld International, Inc. is a Glenview, Illinois-based firm that operates in the market research segment of the gem and jewelry industry. The company conducts specialized market research to determine wholesale pricing and supply-demand dynamics for more than 70 gemstone varieties, and it publishes these insights through GemGuide, a subscription resource distributed internationally. With more than three decades in gemstone pricing research, Gemworld emphasizes independence, positioning GemGuide as a reference for independent, market-driven wholesale pricing.

Gemworld provides educational workshops and corporate training aimed at improving pricing and identification practices in the market, alongside consulting services. It also offers independent jewelry appraisals for Insurance, Estate, Divorce, Legal, and Expert Witness matters, conducted by appointment in its offices, and maintains trade offerings such as GemGuide's pricing publication, GemGuide Appraisal Software, and the World of Color Grading System. In early 2026, Gemworld announced a partnership with Nivoda Limited to integrate GemGuide benchmark pricing and gemstone intelligence to enhance pricing transparency and informed purchasing.

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