Page 56 - Thailand Gems & Jewelry Guide Book
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Thailand’s Gems & Jewelry Guide Book






Clarity


纯净度 : 每一颗钻石都有着自己的特质,但是一般肉眼是看不出来 

的,在十倍的放大镜下,钻石的纯净度分为六个等级:FL是毫无瑕 


疵的钻石,IF是内部毫无瑕疵的钻石,VVS1 VVS2 是有极少杂质掺 


和的钻石,VS1 VS2 是有很少量杂质掺和的钻石,SI1 SI2 是有一些 


杂质存在的钻石,I1 I2 I3 是有明显瑕疵的钻石。

All diamonds have identifiable characteristics, but most are 

invisible to the naked eye. Under a 10X magnifying loupe, diamond 


clarity is graded into 6 categories. FL = Flawless / IF = Internally Flawless 


/ VVS1 VVS2 = Very Very Small Inclusions / VS1 VS2 = Very Small 

Inclusions / SISI= Small Inclusions / III= Inclusions
1 2 1 2 3 

















Carat weight


重量 : 钻石的大小或重量以克拉为计算单位,1克拉等于 0.2 克, 


每克为100 撒旦(或 200 毫克)。

The weight or size of diamonds is measured is carats. A carat 


is 0.2 grams and there are 100 points (or 200 milligrams) per carat.











CARAT 0.01 0.02 0.03 0.05 0.10 0.15 0.20 
Size mm. 1.35 1.70
2.00
2.40
3.00 3.40 3.80







CARAT 0.25 0.30 0.50 0.75 1.00 0.40 

Sizemm. 4.10mm. 4.40
5.00 5.80 6.50
4.70










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