Sentences with phrase «by gemologists»

One of the most time - honored tests used by gemologists is still one of the most effective.
D and E color stones display virtually no color, whereas F colored diamonds will display a nearly undetected amount of color when viewed face down by a gemologist.

Not exact matches

It is being held above by Cally Oldershaw, the museum's gemologist.
Regardless of which online retailer you use, confirm the website is legit and that all diamonds are certified by a licensed gemologist.
D diamonds are completely colorless, while F diamonds have tiny trace amounts of color only detectable by a trained gemologist when viewed face - down.
The articles are written and moderated by experts jewelers and gemologists.
At Brahma Gems each stone is selected, graded, and examined by the group of expert Gemologist to provide the consistent quality and the authentic stones each time.
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