One of Marie Antoinette's natural pearl and diamond pendants fetched a record-breaking $36 million at auction, a world record for a pearl. In total, the suite realized $42.7 million, with the ...

But what is it that makes pearls so expensive? Marie Antoinette's pearl was part of a diamond-studded pendant, and it has important historical significance, which increased its value. But there ...

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But what is it that makes pearls so expensive? Marie Antoinette's pearl was part of a diamond-studded pendant, and it has important historical significance, which increased its value. But there ...