The GCAL 8X® Ultimate Diamond Cut Grading system encompasses all aspects of diamond cut quality assessment Introducing Guaranteed Certificate The global diamond industry has witnessed
New York, NY May 25, 2022: GCAL (Gem Certification and Assurance Lab) has partnered with VDB (Virtual Diamond Boutique), the jewelry industry’s leading technology partner,
We will be closed on Friday, May 27th & Monday, May 30th to make it happen! New Drop-off & Pick-up Window Beginning Tuesday May 31st,
We are often asked if ‘diamond testers’ work? Or, why does my lab-grown diamond test as a Moissanite? First, Don’t panic. The problem is probably
Beginning in May 2022, and continuing over the next several months, GCAL will be rolling out, all new certificate design formats. The paper has been
Gem Certification & Assurance Lab (GCAL), world renowned for accurate, consistent, and ethical gemstone grading, and more recently for the creation of the 8X™ ultimate
DIFFERENTIATE YOUR STORE AND YOUR DIAMONDS by redefining how you sell Premium Cut Diamonds. If you’re looking for a strategy to increase sales of your
Diamond Proportion Measurement Precision optical scanning technology utilizing Helium Polish machines, measures every proportion, angle, facet shape, size, relational angle, and forms the foundation for
GCAL protects consumers, retailers, and manufacturers with a unique suite of certification, identification and forensic services for lab grown and natural diamonds, gemstones, and jewelry.
Behind-the-Scenes Tour of the Diamond Growth and Certification Process WEBINAR: Thursday, February 10, 2022 | 3pm ET NEW YORK, NY, January 31, 2022 / As