鉴定所证书与服务

GIA 是世界上最值得信赖的钻石分级和宝石鉴定机构。GIA 以其客观性和专业性为标杆,确保出具的每一份鉴定证书均完整、准确。GIA 对提交的每种材料进行检测,确定其是否为天然材质,并在检测过程中揭示任何已发现的处理方式。

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证书与服务

Natural Diamonds

Assessment of authenticity and quality for diamonds in the D-to-Z color range from GIA, creator of the 4Cs. 

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Natural Colored Diamonds

Assessment of color origin and quality based on GIA’s color grading system for diamonds outside the D-to-Z range.

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证书 实验室制造

Laboratory-Grown Diamonds

Identification of laboratory-grown diamonds, ensuring disclosure through laser inscription and distinctive reports.  

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Colored Stones

Confirmation of a gemstone’s identity and characteristics through a full gemological examination.

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Pearls

Documentation of the specific attributes of pearls and pearl jewelry, including mollusk type and growth environment. 

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Unknown

Let GIA gemologists do the detective work to reveal the identity of your material.

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向 GIA 提交宝石的三种方式

寻找珠宝商

通过当地的珠宝商呈交您的宝石。 

送到 GIA

直接将您的宝石运送到我们鉴定所之一。

准备提交
当面交付

请将您的宝石送至 GIA 香港两个地点的任何一处。

联系我们

要提交的宝石超过 10 颗?

请直接联系 GIA 获取操作指南。