GCAL is a small, prime quality gemological laboratory with all operations in a single location within the Diamond District of New York. They carry intensive expertise and technical information to offering a really big selection of providers for diamonds, coloured gems, pearls, and positive jewellery. Their latest foray into complete lower grading is indicative of their need to stay on the forefront of the business.
GCAL caters to the diamond and jewellery commerce and submissions should be on firm letterhead. People who wish to entry their providers must undergo a member of the jewellery commerce.