3ct. Blue Diamond to Lead Phillips Sale

RAPAPORT... Phillips will feature a blue diamond ring by Tiffany & Co. at its upcoming New York Jewels auction, expecting it to fetch up to $2.5 million. The cut-cornered square modified brilliant-cut, 3.02-carat,fancy-intense-blue, VS2-clarity diamond ring will lead the December 9 sale, the auction house said Wednesday. An assortment of colorless diamonds will also go under thehammer, including an emerald-cut, 11.34-carat, D-color, VVS2-clarity, type IIa diamond ringby Harry Winston. The piece, which is flanked by twotriangle-shaped diamonds weighing a total of 1.45 carats, has a presaleestimate of $500,000 to $800,000. A 1925 Art Deco ring by Spaulding & Co.,featuring a modified marquise brilliant-cut, 7.69-carat, D-color, VS2-clarity,type IIa diamond, will go under the hammer for $150,000 to $250,00, while a cut-corneredrectangular modified brilliant-cut, 13.05-carat diamond ring is estimated at$80,000 to $120,00. Other notable items include a fancy-color diamond and gold necklace,featuring a pear modified brilliant-cut, 3.01-carat, fancy-blue-grey diamond,estimated at $250,000 to $450,000. A cut-cornered square step-cut, 16.23-carat,fancy-intense-yellow, VS1-clarity diamond ring by De Beers carries a presaleestimate of $220,000 to $400,000. Phillips will also host an online jewels auction from November 26 to December 11, it noted. Image: The fancy-intense blue Tiffany ring. (Phillips)