2023’s Biggest, Most Valuable and Most Buzzworthy Diamonds

Here are the rough and polished stones that made for a memorable year.

Where Petra Diamonds Sees Its Competitive Edge

The company’s investment in production is just one way it’s differentiating itself in the diamond market.

11ct. Infinite Blue Diamond Misses Expectations

Ring brings in $25.3 million at Sotheby’s Hong Kong, just below $26 million low estimate.

Sotheby’s Sets $37M Price Tag for Infinite Blue Diamond

11.28-carat, radiant-cut stone will be offered in stand-alone auction in Hong Kong on October 5.

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