You may find high quality diamond in Africa.

你一定在非洲找到了高质量的钻石。

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Knives are generally selected high quality diamond.

刀具一般都选用优质的金刚石。

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They found that diluting ethanol in water resulted in high quality diamond films.

他们发现在水中稀释了的乙醇能够提炼出高品质的钻石薄膜。

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With larger, synthetic gem quality diamonds coming into the market, investments in larger, natural, high quality diamond will become more attractive than ever.

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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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All Diamond products come with a one year limited warranty, a Diamond guarantee of quality manufacturing experience and a recently upgraded, US based, customer support system.

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