A fancy-coloured diamond and diamond ring The marquise-cut diamond of pink tint weighing 0.26 carat, within a surround of brilliant-cut diamonds, ring size L Footnotes: Accompanied by a report from De Beers stating that the diamond is Fancy Intense Pink, SI2 clarity. Report number 10000292917, dated 30 October 2019. The pink diamond in this lot was purchased for the vendor almost 30 years ago in Australia. The Argyle diamond mine, located in the East Kimberley region in northern Australia, is the only known significant source of pink and red diamonds, producing over 90% of the world's supply today. Due to the depletion of gem quality reserves the Argyle mine is set to close in 2020 after nearly 40 years in operation. For further information on this lot please visit Bonhams.com