処理済みまたはラボで製造された宝石素材をGIAに情報開示する
分析およびグレーディング サービスのために宝石素材をGIAに提出する際、その宝石が処理されている、またはラボで製造されたものである場合は全てその旨を開示していただく必要があります。

Kathryn Kimmel
The first woman on the executive team and head of GIA’s innovative marketing and public relations efforts for nearly 30 years.
Roy Bassoo
Bassoo specializes in Understanding the spatial distribution and geological causes of defects in green diamonds

ドバイのGIA®
GIA® Laboratory FZCO is located in the important global diamond center of Dubai and will provide diamond services with limited capacity.

Jeweled Butterflies Welcome Spring
The butterfly has enchanted jewelry designers for centuries because of its breathtaking beauty. There’s also another reason this “flying flower” has transfixed the imagination. The butterfly is a universal symbol of transformation.

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