Portable computer hardware device for analyzing and identifying natural diamonds from synthetic diamonds, treated diamonds, and diamond simulants; Microscopes; Polariscopes

Unwrought agate and sardonyx; precious metals; precious metal alloys; processed or semi-processed precious metals; gold and its alloys; gold ingots; silver and its alloys; silver ingots; ornaments of precious metal; pearls; jewelry; pins being jewelry; rings being jewelry; costume jewelry; precious stones; unwrought and semi-wrought precious stones and their imitations; horological and chronometric instruments and parts thereof; clocks; watches

DARKFIELD ILLUMINATORS FOR GEMS