彩色鑽石鑑定證書詳解
The GIA certificate is divided into the following sections:
證書簽發日期:X月X日XX年
Report Type: 證書的編碼:GIAXXXXXX,類似身份證號,每一顆鑽石編碼是獨有的
Shape and Cutting Style: 鑽石的琢型:圓形、橢圓形、心形、公主形、方形等等
Measurements: 鑽石的尺寸:異形鑽石 (長X寬X高) ,圓形鑽石 (最大直徑X最小直徑X全深)
Color Origin: 顏色來源,GIA的來源描述主要有以下三種:
- Natural 天然色
- Treated 處理過的(包括:Artificially Irradiated 輻照改色和 HPHT processed 高溫高壓處理)
- Undetermined 無法確定顏色來源
Color Distribution: 顏色分佈,Even指分佈均勻,Not Applicable(不適用), 一般會描述在LIGHT顏色級別以下的粉色、藍色、綠色的彩色鑽石的顏色分佈。
Clarity Grade:鑽石的淨度:與白鑽的評級相同,分為FL IF VVS1 VVS2 VS1 VS2 SI1 SI2 I1 I2 I3。
Symmetry:對稱性
Fluorescence:熒光
Inscription(s):鑽石的激光字印,此證書的粉鑽有原產地阿蓋爾的證書編號激光印記。
Comments:備註
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