A 3.09-carat rectangular-cut fancy intense blue diamond sold for more than US$5.3 million, setting a world record price per carat for an intense blue diamond. The gem, which was set on a platinum ring flanked by tapered baguette-cut diamonds, sold for well above its high estimate of US$3 million.
It was the top lot at Christie’s New York Magnificent Jewels sale held Tuesday. The auction of 211 lots achieved more than US$45.6 million, with 88% sold by lot and 96% by value. The sale was highlighted by fancy colored diamonds, colorless diamonds and signed jewels by JAR, Van Cleef & Arpels and Cartier.
The other top lots are as follows:
A ring set with an 8.42-carat cut-corner rectangular modified brilliant-cut fancy intense pink diamond, flanked by tapered baguette-cut diamonds, mounted in platinum and rose gold. It sold for just over US$5 million, within estimates.
A crossover ring set with a 2.85-carat pear modified brilliant-cut fancy intense pink diamond, and a 2.42-carat pear brilliant-cut fancy vivid blue diamond, further adorned with baguette-cut diamond shoulders and circular-cut diamond gallery set in platinum. It sold for more than US$4.5 million, within estimates.
A crossover ring set with a 2.10-carat pear brilliant-cut fancy vivid blue diamond, and a 1.98-carat pear brilliant-cut colorless diamond flanked by a tapered baguette-cut diamond and mounted in platinum. It sold for nearly US$3.5 million, within estimates.
A diamond thread ring by JAR set with a 22.76-carat elongated oval brilliant-cut diamond within a diamond-set, two-tiered thread-work gallery and hoop, mounted in platinum. It sold for more than US$2.7 million, within estimates.
A ring set with a 2.81-carat modified square brilliant-cut fancy intense blue diamond with pavé diamond shoulders mounted in platinum. It sold for US$2.1 million, besting its US$1.5 million high estimate.
A large transformable emerald and diamond necklace by Van Cleef & Arpels centered with a 24.32-carat detachable oval-cut emerald that can be worn as a brooch, within a two-tier surround of circular and marquise-cut diamonds. The remainder of the necklace is set with a series of seven graduated rectangular-cut emeralds within two-tier circular-cut diamond surrounds, joined by oval or circular-cut emerald, pear and marquise-cut diamond links, mounted in platinum and 18k gold. The necklace can be separated and worn as a bracelet. It sold for US$1.5 million, above its $1.25 million high estimate.
A sapphire and diamond necklace by Cartier centered with a 58-carat cushion-cut sapphire, suspended beneath a 28.51-carat cushion-cut sapphire joined by 4.13-carat a modified square-cut diamond. A circular, two-row platinum and 18k white gold neckchain is accented by square-cut diamonds.