certified Gemological Laboratory

Laboratory #

Stuart Robertson, GIA GG

Graduate Gemologist, Gem Market Analyst and Independent Appraiser

Accredited Senior Gemologist

Professional Experience

  • More than 40 years experience in the gem and jewelry industry
  • President, Gemworld International, Inc.
  • Market trend and gemstone pricing consultant
  • Independent appraiser
  • Gemstone editor, The GemGuide
  • Speaker

Specialized Training

Graduate Gemologist, GIA, 1993, International Society of Appraisers, Core Courses 101, 102, 103, 1993

Industry Memberships

  • Member, Accredited Gemologists Association (2000-present)
  • Member, Scottish Gemmological Association (2010-present)
  • Senior Member, National Association of Jewelry Appraisers (2004-present)
  • Member, Association of Independent Jewellery Valuers (2014-present)

Industry Contributions

  • Past President, AGA
  • Chair, AGA Awards Committee
  • Conference Chair, National Association of Jewelry Appraisers

Industry Recognition

  • Recipient of the Antonio C. Bonanno Excellence in Gemology Award, 2011
  • Recipient of the AIJV Valuer of the Year Award, 2014
  • Recipient of the Scottish Gemmological Association’s Catriona Orr McInnes Award, 2019

Contact Information