Following a catastrophic downfall, new bankruptcy filings reveal details about how to buy Diamond's remaining assets.

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Here are some things you should know before you buy a diamond ring from Costco (COST)—or anywhere else. Many big-box stores like Costo sell diamond jewelry. Costco does not offer cleaning or ...

More Americans are ditching pricey natural diamonds — but is swapping the real thing for lab-grown a financial win? Here's ...

Manashe Sezanayev, who owned a store in Manhattan’s diamond district, pleaded guilty Thursday to stealing diamonds owned by ...

A federal judge in Brooklyn, New York, on Friday dismissed a lawsuit brought by the US Securities and Exchange Commission ...