A stunning blue fancy colour diamond is expected to impress collectors at an upcoming sale, entering the auction with an eye-popping pre-sale estimate.

"The Mediterranean Blue" will be auctioned by Sotheby’s this Spring in Geneva with a classification representing less than ...

It's in a setting designed by Pierre Cartier — surrounded by 16 alternating pear-shaped and cushion-cut white diamonds, on a chain of 45 white diamonds. Deep-blue diamonds rarely exceed a few ...

Surrounded by 16 white pear-shaped and cushion-cut diamonds and hanging ... Chip Clark The Blue Heart Diamond, cut from a 100-carat stone found at the Premiere Mine in South Africa in 1909 ...

charming cushion-cut and ocean-blue color places it in the rarefied company of some of the most important blue diamonds to come to market in recent years.” Thanks to their rarity—less than 0.1 ...

“Any vivid blue diamond is a discovery worth celebrating, but one as entrancing as this, particularly being over 10-carats, is a newsworthy event. The Mediterranean Blue’s remarkable size, charming ...

The new high jewellery campaign brings together iconic Tiffany & Co designs with creations from its Céleste collection ...