Lab Services

As a well-trained researcher and gemologist in the San Francisco Bay Area, we utilize cutting-edge technology and scientific equipment to offer professional, independent, and objective service for gemstone identification, grading and appraising. Our 22 years experience and expertise allows us to accurately identify a wide range of gemstones, jade (Fei Cui, Nephrite, etc.,), diamonds (natural diamond vs lab diamond), providing reliable results for all your jewelry identification needs.

Please email info@bayareagemlab.com or call us 925-998-9608 about details.

Diamond

With diamond detector and diamond master stones, we can accurately identify both mined and lab-grown diamonds, determine the diamond’s 4Cs: Carat weight, Cut, Color, and Clarity.

Color Gemstones

Accurately identifying all kinds of color gemstones (ruby, sapphire, emeralad, etc): determining their mineral species, quality grade, any treatments, and distinguishing them from simulants

Fui Cui ( > Jadeite)

Raman and IR Spectra allow us to accurately identify the mineral composition of Fei Cui (a family name of Jadeite, Omphacite and Kosmochlor), the treatment (B+C Jade) and their color origin.

DALL·E 2024-09-04 23.19.03 - A detailed gold bar similar to the ones sold at Costco, featu

Metal Purity

We can accurately determine the purity and composition of precious metals (gold, silver, platinum, palladium, etc., ) in a completely nondestructive manner.