Bonhams has successfully sold a number of Fancy coloured diamonds this year and, for its last fine jewellery sale of 2018 in London, the auction house will be offering A Fancy Coloured Diamond And Diamond Ring  By Boodles.  The marquise-cut Fancy Intense Blue diamond, weighing 1.03-carats, VS1 clarity, has a pre-sale estimate of £150,000 - 200,000 (US$190,000 - 260,000).

Besides, a magnificent step-cut diamond, weighing 24.31-carats, D colour and Internally Flawless is set to go under the hammer at Bonhams London December Jewellery sale next month (5 December 2018). Estimated at £1,300,000 - 1,800,000 (US$1,700,000 - 2,300,000), the diamond hails from a private collection and this is the first time it has come to auction.  

Sapphires from Kashmir have continued to soar throughout this year at Bonhams auctions in London, New York and Hong Kong and this December sale will feature a number of remarkable gems including a late 19^th century sapphire and diamond brooch which is estimated at £120,000 - 180,000 (US$160,000 - 230,000).