24 juillet 2016
Kashmir sapphires and a rare blue diamond set to sparkle ar Bonhams London Fine Jewellery sale
A superb 3.81 carats fancy intense blue diamond ring. Estimate £1,300,000-1,800,000. Photo: Bonhams. LONDON .- A pair of Kashmir sapphires and a rare blue diamond are set to sparkle at Bonhams London as it kicks off the autumn auction season with its...