Diamond stones are fast, effective and come in different grits.

钻石磨刀器快捷、高效而且能适用于不同的粒度。

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The 10th largest white diamond ever to be found, it will be cut into a large heart-shaped diamond and several smaller stones which will then be sold.

这颗目前世界排名第10的白色钻石将被切割成一大颗心形钻石和数颗小钻石出售。

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Natural-diamond merchants claim they aren't worried, but DE Beers has made a device that can distinguish between the natural stones and the synthetics and is distributing it to jewelers.

天然钻石商人声称他们并不担心，但是德·比尔斯制造了一种可以区分天然钻石和人造钻石的设备，已经分发给珠宝商。

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For decades,diamond merchants in Surat in western Gujarat state have imported rough stones, and exported them to the United States and Europe after they are cut and polished.

VOA: standard.2009.04.03

It is suspended from a diamond necklace that incorporates yellow and white stones, made by London designer Laurence Graff.

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Pieces containing seven of the nine principal stones cut from the Cullinan Diamond are reunited for the first time.

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The exhibition, which is part of this summer's annual opening of Buckingham Palace, includes a host of priceless jewelry, such as the emerald-encrusted Vladimir Tiara and two brooches set with stones from the famous Cullinan Diamond, said to be the largest rough gem-quality diamond ever found, at nearly 3, 107 carats.

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