Sotheby’s is organising a sale "Always in Style: 150 Years of Artistic Jewels," in New York on April 20, 2010, which will be of Magnificent Jewels and a single owner auction. %% White diamonds to be presented at the auction are the kind that are rare and of wearable sizes weighing 10 carats and less. Included in the lot is a platinum and diamond ring set with a 9.25-carat, D, internally flawless, type IIa stone, graded triple-EX. Its presale estimate is between $1 million to $1.5 million, reports say. Coloured diamonds to be featured include a rare fancy intense, pinkish-orange diamond ring embedded with a 7.67-carat, type IIa, cut-cornered rectangular modified, brilliant-cut stone, profiled as the largest flawless or internally flawless diamond of its hue, which GIA has graded until today. The ring bears a presale estimate between $2.5 million to $3.5 million. There is also a fancy vivid yellow diamond necklace, with 42 GIA-certified, fancy vivid yellow diamonds weighing 100.17 carats, and set in a graduated riviere style. The presale estimate of this piece is $2 million to $3 million. Sotheby's states that it is the first piece of its kind to feature at an auction, made completely of fancy vivid yellow diamonds. %% An 8.66-carat ruby and diamond ring, which the auctioneer describes as "a unique and the finest ‘pigeon blood red’ rubies carries a presale estimate of $1 million to $1.5 million and belongs to the Gardner family. %% Seven unmounted Kashmir sapphires will also be presented, They are being presented as three pairs of cushion-shaped stones and one square-emerald cut stone. This collection weigh from 4.29 to 8.73 carats and has a presale estimate from $1.1 million to $1.5 million. %% The Marlene Rose platinum and diamond brooch, circa 1930, collection of jewels from the estate of Nancy M. Daly, jewels from the collection of Patricia Kluge including a multitude of white diamonds, a pair of platinum and diamond pendant earclips set with almost 64 carats of pear-shaped diamonds, with its presale estimate. standing at $600,000 to $800,000, and a sapphire and diamond panthère wristwatch from Cartier with a presale estimate of $100,000 to $150,000, will be part of the sale. %% An emerald and diamond Art Deco bracelet from Tiffany & Co., circa 1925, with 14 matching Colombian emeralds weighing approximately 39.60 carats will carry a presale estimate of $350,000 to $550,000. %% The auctioneer will display these highlights at three different venues: Sotheby’s Los Angeles on March 26, Hong Kong from April 3 to April 6, New York from April 16 to April 20.