来源：安。鲍佛的《著名钻石》，乔治。哈露的《天然钻石》，公开发行的杂志及美国宝石学会网站。
Sources: Famous Diamonds by Ian Balfour, The Nature of Diamonds by George E. Harlow, various magazine publications, and the GIA website.
来源：安。鲍佛的《著名钻石》，乔治。哈露的《天然钻石》，公开发行的杂志及美国宝石学会网站。
Sources: Famous Diamonds by Ian Balfour, The Nature of Diamonds by George E. Harlow, various magazine publications, and the GIA website.
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