GHI

Printed certificates of authenticity of diamonds, gemstones, [ pearls ] and jewelry; printed certificates of grading of diamonds, gemstones, [ pearls ] and jewelry

[ Gem and jewelry appraisal services ]

Gemology services, namely, providing identification, authentication, and grading of diamonds, gemstones, [ pearls ] and jewelry and issuing electronic and paper; certificates relating to such services; precious metal assaying