Kashmir Sapphires and rare blue diamond to be part of Bonhams London Fine Jewelry Sale
July 22, 2016: A pair of Kashmir sapphires and a rare blue diamond will appear at Bonhams London as it kicks off the autumn auction season with its Fine Jewelry sale on September 20.
Headlining the sale is an oval-cut blue diamond. Weighing 3.81 carats, the Fancy Intense Blue diamond is accompanied by a GIA report and hails from a private British collection. It is estimated at between £1,300,000 and £1,800,000. Bonhams has a record of selling blue diamonds and holds price-per- carat world auction records for both a Fancy Deep blue diamond at $1.77m per carat and a Fancy Greyish-Blue diamond at $730,000 per carat.
A pair of late 19th century Kashmir sapphires will also be available for purchase at the September 20 sale which begins at 2 PM in Bonhams London’s New Bond Street salesroom. The cushion-shaped sapphires weigh 8.97 and 8.93 carats and are accompanied by reports from AGL and SSEF laboratories 3 stating that both sapphires were found to be of Kashmir origin, with no evidence of heat treatment. Estimated at between £400,000 and £600,000, the sapphires display a vivid blue color. Bonhams London recently sold a pair of Kashmir sapphire earrings weighing 7.92 and 7.96 carats for £1,538,500 in its December 2015 sale.
Full details of the lots to be auctioned at Bonhams September Fine Jewelry sale will be released on August 26, 2016. Bonhams Hong Kong Rare Jewels & Jadeite sale takes place on September 20, 2016. Bonhams New York Fine Jewelry sale takes place on October 14, 2016.