This morning, at Christie’s New York’s Magnificent Jewels sale, just minutes after a Mughal carved Colombian emerald necklace ...

Explore the world's most expensive diamonds like the priceless Kohinoor, the $400M Cullinan, and the legendary Hope Diamond.

Now, a pink, 10.38-carat diamond that’s believed to have once been owned by the famous French queen is heading to auction — and it’s expected to fetch up to $5 million.

This brooch holds the largest pink diamond in the world, valued at about $28.7 million, Kiehna says. The diamond was discovered in 1947 in a Tanzania mine owned by Canadian geologist John Williamson.

Global Coin unveils a 2025 gold masterpiece: the Williamson Diamond Brooch coin. Only 225 exist worldwide—just 5 graded PR70 ...

In 2017, the 59.6-carat “Pink Star” diamond was auctioned in Hong Kong at the astronomical price of US $71.2 million, and remains the diamond with the highest selling price in history.

Crown Princess Mary debuted her antique Diamond Necklace at a Concert for Queen Margrethe’s 75th Birthday in Aarhus in 2015, at the same time as she also debuted the diamond earrings.

The Pink Star, a 59.60-carat fancy vivid pink diamond, sold for a whopping $71.2 million in 2017, breaking the record for the highest price ever paid for a gemstone at auction.

The heirloom in question, lot 44, which sold for $13.98 million, is a diamond and blackened platinum ring featuring a fancy kite-shaped 10.38-carat purple-pink diamond.

This rare pink diamond, weighing 34 grams, is thought to be the largest discovered in the last 300 years. The 170-carat stone has been named the "Lulo Rose", after the mine in Angola where it was ...