3 Round Brilliant Cut Diamonds 1.20 - 1.21ct I/J SI1
3 splendidly cut 1.20-1.21ct I & J color SI clarity round brilliant cut diamonds.
August Vintage Old European Cut Diamond: 1.63ct J SI1
Model and in its setting. We look at this extraordinary diamond in natural daylight for brightness where we also observve pleasing spetral ...
2.02 Carat Antique Cushion diamond; J SI1 Color & Clarity by Leon Mege
2.02 carat old-fashioned cushion cut J SI1color and clarity. Full view. See this gorgeous stone from every angle. Recorded by jewelry plotter Leon Mege ...
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钻石diamond(1)
钻石简介
1.矿物名称为「金刚石」，英文为Diamond，源于古希腊语Adamant，意思是坚硬不可侵犯的物质，是公认的宝石之王。钻石的化学成份有99.98%的碳。也就是说，钻石其实是一种密度相当高的碳结晶体。
2.钻石的摩氏硬度：10，是天然矿物中的最高硬度。但千万别认为钻石硬度高，就永不破损。其实钻石脆性也相当高，用力碰撞仍会碎裂。
3.钻石是依据其原石的外形，来切割成各种不同形状的钻石。其中，受大家欢迎的八种形状有：圆形、椭圆形、榄尖形、心形、梨形、方形、三角型及绿柱石形。圆钻，是最常见的形状。
4.钻石属天然矿物。钻石的主要产地是澳大利亚、南非、印度；而美国、印度,以色列、比利时则是钻石加工切割的基地。尤其比利时，是全球公认的雕琢钻石贸易中心。
5. 买钻石 一定要复检
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