The jewelry industry’s most respected gemological authority has announced a change in how it will evaluate lab-grown gems.

A jewelry appraisal is useful for insurance purposes, estate planning and other legal matters, as well as to satisfy your own curiosity. If you want an appraisal because you’re going to sell, ...

Israeli tech lets diamonds’ true colors, and clarity, shine through Machines can take over from gemologists in grading 2 of the gems’ famous 4 C’s, says Sarine Technologies ...

GCAL, a diamond grading lab, uses AI to enhance accuracy and consistency in its grading process, building consumer trust. AI helps maintain independence by providing objective, data-driven ...

It possesses the unique color grading of Fancy Deep Grayish Bluish Violet, and served as the headline stone of the 2016 Argyle Pink Diamonds Signature Tender, an annual sale of rare pink, red and ...