Blue Diamonds sets record for price-per-carat sale
Sotheby’s auction creates a new global record for highest price of any blue diamond as well as sets a record for price-per-carat for any diamond which is $3.3 million per carat. A presale estimated $10 to $15 million blue diamond ended up at whooping total amount of $32,645,000 after intense bidding from even prospective buyers. …
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