Sotheby’s New York will hold a sale of Important Jewels on Sept. 25 that includes a selection of signed and period estate jewels and white diamonds. The sale consists of approximately 450 lots and is estimated to bring $11 to 15 million. The pre-sale exhibition opens Sept. 20.

Highlight of this sale is an exceptional group of period jewels, mostly by Cartier, that showcase art deco and retro jewelry design. The collection, which will open the second session of the sale and is property from a private collector, comprises more than 40 lots, the majority of which are examples of classic 1930s and 1940s style.

The offering features a rock crystal, tourmaline, and diamond clip/bangle combination from Cartier, circa 1935, which has an estimated selling price from $15,000 to $20,000.

Among the many examples of retro style jewelry is a citrine, quartz, and diamond flower brooch, Cartier, circa 1945, (pre-sale estimate, $15,000 to 20,000).
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One of the major diamond ring for this auction is an emerald-cut Harry Winston diamond ring, circa 1962, set with a D color, VS1 clarity stone, weighing 7.59 cts., (pre-sale estimate, $250,000 to 350,000).

From the collection of Frieda and Milton Rosenthal is an 18k gold bangle-bracelet, Pol Bury, circa 1970, (estimate price $6,000 to 8,000), designed as a cuff topped by a plaque set with articulated spheres, inspired by ethnic motifs and contemporary in style.

From the Estate of Odette Valabregue Wurzburger are signed daytime jewels mainly by Van Cleef & Arpels. The highlight is a sapphire and diamond Ring, Van Cleef & Arpels, Paris, set with an emerald-cut Kashmir sapphire weighing 25.25 cts. (pre-auction estimate, $250,000 to $350,000).  

The sale also includes a diamond ring from Tiffany & Co is set with a D color, internally flawless, oval modified brilliant-cut diamond weighing 7.33 cts., flanked by two tapered baguette diamonds, mounted in platinum. It has a pre-auction estimate from $625,000 to 675,000.

JCK