With the diamond demand worldwide on the upswing, the prices of the loose diamond are not showing any signs of going down.
由于全球范围内对裸钻的需求量的不断上涨，使得钻石的价值不会有任何下跌。
The GIA Laboratory issues the Diamond Dossier for loose, natural diamonds between 0.15 and 1.99 carats, in the D-Z color range.
GIA实验室为那些在D-Z的颜色范围中并且在0.15ct-1.99ct发行的钻石小证书是为那些零碎的自然生成的钻石颁发的。
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