GCAL

GCAL GCAL’s mission is to provide the most accurate and consistent gemological services with uncompromising integrity and unparalleled customer care.

GCAL, creator of the 8X® ultimate diamond cut grade, protects consumers, retailers, and manufacturers with a unique suite of certification, identification and forensic services for lab grown and natural diamonds, gemstones, and jewelry. GCAL remains the only gem lab in the world to stand behind their grading with a zero tolerance, money-backed consumer guarantee. Guaranteed certificates also inclu

de Gemprint® fingerprint image, Cut Grades on all diamond shapes, Light Performance and Photomicrography. GCAL is the only gem lab in the world to have earned the prestigious ISO 17025 Forensic Accreditation, and the first diamond lab in the world to achieve SCS Global Services Accreditation.

Address

580 5th Avenue, 27th Floor
New York, NY
10036

Opening Hours

8am - 6:30pm

Telephone

+12128698985

Website

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