We can turn a rough stone into a diamond.

我们可以把一块粗糙的石头变成钻石。

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It was, in fact, not a common stone at all—it was a beautiful diamond.

事实上，它根本不是一块普通的石头——它是一颗美丽的钻石。

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This large stone became known as the Tavernier Blue diamond.

这颗大石头被称为塔维尼尔蓝钻。

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We have the ring,the old ring, and take out the diamond, take out the stone and sell the gold.

VOA: standard.2010.07.21

The frenzy over Pomellato reached a fever pitch outside of Italy in 2001 with the advent of the Nudo, a weighty gold ring with a huge faceted colored stone set like a diamond solitaire.

WSJ: The Cult of Pomellato | Jewelry

In his 32-carat apricot-color diamond ring, the stone is held in place by threads tied on either side in delicate diamond-shape knots.

FORBES: The Cult Of JAR

The stone is the largest reddish orange diamond ever graded at the Gemological Institute of America.

FORBES: Laurence Graff Pays $8.3 Million For 50-Carat Graff Diamond Ring; 3-Carat Reddish Orange Diamond Sells For World Record