Patent Pending. GIA Item Number: 220000.

The GIA iD100® is GIA’s latest innovation in instruments. This sophisticated and easy-to-operate desktop instrument combines advanced spectroscopic technology with GIA’s 60 years of diamond and gemstone identification research to distinguish natural diamonds from laboratory-grown (HPHT and CVD) diamonds and diamond simulants.


GIA Instruments works hand-in-hand with GIA’s laboratory, education and research teams, as well as the jewelry trade to develop the instrumentation you need to prepare for the challenges of tomorrow. You can be assured of precise, problem-free operation and instruments styled to impress your customers.

Since the first GIA instrument was registered in the early 1930's, we've been building products you can trust that put the power of knowledge on your side. They help you buy, grade, and appraise with increased accuracy, and give you a competitive edge.

GIA’s instrument developers and staff are jewelers, scientists, researchers, educators, and engineers who insist on building the very finest equipment in the world of gemology, metallurgy and jewelry. Everything we offer has the day-to-day practicality and utility to profoundly benefit your bottom line.

With technological innovations happening every day within the industry, GIA continues to develop instrumentation that keeps pace with these changes. By developing new products such as the GIA iD100 that screens for laboratory-grown diamonds, GIA continues to promote full disclosure in this evolving marketplace.

Visit the GIA Store to browse our selection of instruments and books and order directly online.