Irradiated Green-Blue CVD Synthetic Diamonds (英语)

Advancing CVD growth technologies yield intensely colored, high-quality synthetic diamonds, such as the two green-blue synthetic materials seen in the New York lab.

阅读更多

Assembled Cultured Blister Pearl with an Unusual Component

An assembled mabe pearl contains a fluted object, the function of which is unknown.

阅读更多

Unusual Graining Structure in Pink Diamond

A Very Light pink diamond showing a uniform plane of color intersecting with a cone of strain that fit perfectly into a colorless hole is studied at the Carlsbad lab.

阅读更多

Three Unique Large Natural Pearls from Haliotis (Abalone) Species

Abalone pearls submitted to the New York lab provide insight into the range of colors and shapes this type of mollusk can produce.

阅读更多

您或许还会喜欢

YMAL GIA Ed
了解校园课程和在线教育
Learn About NextGem
GIA NextGem™ 钻石零售 培训
Explore GIA Laboratory Promotional Offers
探索 GIA 鉴定所的促销优惠
Shop the GIA Store
访问 GIA 商店