Status: Senior Member
Business Type: Trade Valuer and Valuer in Private Practice

Gemworld International, Inc is a world recognized authority on gemstone pricing and market trends. The company publishes the gemstone industry periodicals the GemGuide and Gem Market News.

Services include insurance, estate, pre- and post- sale consultations, expert witness, inventory valuations and gemological consultation. On-site laser inscription services, Sarin cut grade analysis and Diamond Trading Company DiamondSure for diamond type testing.

Four experienced appraisers on staff with appraisal inspections done in the client’s presence.

Gemworld International Inc was founded in 1982 and has two Antonio C. Bonanno Award for Excellence in Gemology winners on staff.
Stuart Robertson received the AIJV Valuer of the Year Award 2014

  • Graduate Gemologist/Graduate Jeweler Gemologist - Gemological Institute of America
  • Accredited Senior Gemologist - Accredited Gemologists Association
  • Member/Senior Member - National Association of Jewelry Appraisers
  • Member - Scottish Gemmological Association
  • Supplier Firm - American Gem Society

CONTACT

Richard B. Drucker, GG
Stuart Robertson, GG
Cigdem Lule, PhD, FGA, GG
Jennifer Santi, GG, CG
Gemworld International. Inc
2640 Patriot Blvd, Suite 240
Glenview IL 60026
United States of America
Telephone: 847.657.0555 x 205
E-mail: appraisals@gemguide.com
Website: www.gemguide.com

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