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Há 3 dias · Garnets are a set of closely related minerals that form a group, resulting in gemstones in almost every color. Red garnets have a long history, but modern gem buyers can pick from a rich palette of garnet colors: greens, oranges, pinkish oranges, deeply saturated purplish reds, and even some blues. Red garnet is one of the most common and ...
15 de mai. de 2024 · The International Gemological Institute (IGI), founded in 1975, is a renowned authority in gemological education, research, and certification. As one of the world’s largest independent gemological laboratories, IGI is trusted by consumers, retailers, and manufacturers for its rigorous standards and impartial assessments of gemstone quality and authenticity.
Há 21 horas · Charles & Colvard, Ltd. announced an exclusive strategic alliance with the International Gemological Institute , introducing comprehensive grading reports for moissanite gemstones and jewelry.
Há 4 horas · Charles & Colvard, Ltd. announced an exclusive strategic alliance with the International Gemological Institute , introducing comprehensive grading reports for moissanite gemstones and jewelry.
Há 21 horas · Charles & Colvard Ltd., the fine jewelry company specializing in moissanite and lab-grown diamonds, has formed an “exclusive strategic alliance” with the International Gemological Institute to ...
Há 21 horas · Charles & Colvard Ltd., the fine jewelry company specializing in moissanite and lab-grown diamonds, has formed an “exclusive strategic alliance” with the International Gemological Institute to ...
Há 1 dia · Scientists at the Gemological Institute of America (GIA) found cloud inclusions to be the cause of the greyish-blue color in a diamond that its New York laboratory recently received for grading. When examining the 2.20-carat diamond, staff ruled out the major sources of blue color in diamonds. The most common is the presence of boron (type IIb ...
