The cushion-cut gem is now the second most valuable jewel or gemstone ever sold at auction, following the 59.6-carat Pink Star diamond that realized $71.2 million in 2017. It also set a new per ...

The 10.38-carat gemstone, which carries an estimate of $3 million to $5 million, was owned by generations of European royalty ...

Discover the Marie-Thérèse Pink Diamond and Blue Belle Sapphire at Christie's Auction House, featuring rare jewels with royal ...

Its per carat price of more than $5 million shattered the previous auction ... diamonds from this mine makes important pink diamonds like the one being offered even more rare, Yu says.

A 170-carat pink diamond found ... studied for months before being ground down and polished, Moses told The News. Aside from potentially being worth millions, the diamond is a sort of time machine ...

A pink diamond that is believed to be one of the purest in the world could sell for more than $21 million at auction next month. The "Williamson Pink Star" diamond is 11.15 carats, cushion-cut ...