Why do appraisal values differ even for diamonds that look the same?Can I get a diamond appraised even if I don't have a ...
On Tuesday, Sept. 9, a film crew from Good Morning America visited IGI’s New York City diamond lab to see firsthand how laboratory gemologists would test for synthetic diamonds. Consumer correspondent ...
The Diamond Producers Association (DPA) and Signet Jewelers have published the first results of their program designed to measure how well lab-grown diamond detectors actually do what they claim. The ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results