Property from a Prominent New England Family. Lot 177. A Superb 17.21 carats Kashmir Sapphire and Diamond Brooch, circa 1910. Estimate US$ 500,000 - 800,000 (€ 420,000 - 670,000) . Photo Bonhams. The recent discovery of a rare Superb Kashmir Sapphire...

From left to right: Property from the DuPont family collection, ‘The Du Pont Padparadscha’ Sapphire Ring of 24.58 carats, $500,000-700,000; Property from an exceptionl private collection, An extraordinary Kashmir Sapphire and Diamond Bracelet, $5,000,000-7,000,000;...

Lot 609. An Antique 5.65 carats Kashmir Sapphire and Diamond Brooch. Estimate HK$1,900,000 - 2,500,000 ( $240,000-320,000) . SOLD FOR HK$2,250,000. © Phillips One cushion-shaped sapphire, 5.65 carats. Old European-cut and round diamonds in the openwork...

A Spectacular Emerald-Cut Diamond. The emerald-cut diamond weighing 100.20 carats, mounted in platinum . Sold for $22.1 million / CHF 21.2 million / HK$172.3 million ($220,459 per carat). Photo: Sotheby's. NEW YORK, NY .- Today’s sale of Magnificent Jewels...