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Instruments & Books

With more than 80 years of uncompromising commitment to quality, GIA has worked closely with the laboratory, the educational staff, and the jewelry trade to develop instruments that will prepare you for the challenges of tomorrow.

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

GIA Instruments™ and Bookstore page helps you unlock the mysteries contained in the art and science of gemology and jewelry.

As scientists, researchers, educators, and engineers, we insist on building the very finest equipment in the world of gemology, metallurgy and jewelry. But "the finest equipment in the world." would mean very little without our steadfast commitment to real-world practicality.

Everything we offer the trade has the day-to-day practicality and utility to profoundly benefit your bottom line.

For instance, GIA Instruments™ Microscopes are used to sell more diamonds and gemstones than any other scope in the entire western hemisphere. With their ease of use, versatility, and reliability, our microscopes are used by the vast majority of professionals to share the intricacies of gemstones with their customers – and close sales.

Representatives are available to help you with any questions you may have:

North America: 800-421-8161
International: +1 760-603-4200

The Robert Mouawad Campus
5345 Armada Drive
Carlsbad, CA 92008
8:00 am-4:30 p.m. PST

Browse through our online catalog of quality instruments.

How to order, prices, return policy.

Customer Support

GIA Instruments™ has more than 65 years of experience in designing products that need less service and are easier to maintain. However, should you need technical help, professional advice, or repair service of any kind, please contact a Technical Services Team Member toll free at 800-421-8161. Prior to sending an instrument in for repair, make sure to request a Repair Order number.

Technical Services, Repair and Support or call 800-421-8161 for a Customer Support Team Member.

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GIA World Headquarters and The Robert Mouawad Campus 5345 Armada Drive, Carlsbad, California 92008 (760) 603-4000
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