RARE COLOURED DIAMOND RING Fancy vivid blue round brilliant-cut diamond of 2.10 carats, circular-cut pink diamonds, gold, ring size 6 GIA, 2018, report no. 2105997531: 2.10 carats, Fancy Vivid Blue colour, Internally Flawless clarity Please note that the pink diamonds have not been tested for natural colour origin. US$3,900,000-6,500,000