An extremely rare Kashmir sapphire has sold at auction in Dublin for €550,000 – the “highest price ever seen” in Ireland for a gem of its kind and almost 70 times its original estimated value. The ...

Exceptional blue sapphires accounted for four of the top six lots at Christie’s New York Magnificent Jewels auction held Tuesday. The marathon ten-hour sale of 380 lots achieved more than $44.5 ...

Two very rare Kashmir sapphire brooches kept in a sealed family vault for almost 40 years and once owned by relatives of the 7th Earl of Wicklow have sold for almost €1.4 million at an auction house ...

Two factors determine how a piece of jewelry will perform at auction: Its intrinsic value coupled with its provenance (the paper trail documenting who made or owned it). In the case of the 17.21-carat ...

Vanderbilt family jewels proved irresistible at the Phillips Geneva Jewels Auction: V. The top lot was the “Vanderbilt Sapphire,” a Belle Époque diamond brooch featuring a 42.68-carat Kashmir sapphire ...

Harry Winston was often referred to as the King of Diamonds thanks to his knack for acquiring some of the rarest stones ever discovered, from the 726-carat Jonker to Evalyn Walsh McLean’s 94.8-carat ...

Sapphires of this size are exceptionally rare—those of the Kashmir variety even more so. According to Benoît Repellin, Phillips’s worldwide head of jewelry, the stones were originally discovered ...

Provenance and rarity are two of the elements that add value to antique jewellery. And, in the forthcoming jewellery auction at Adam’s on September 9th, these will come together, with the sale of two ...