29 septembre 2020
Jewellery auction to star the largest Burmese 'Royal Blue' Sapphire offered at Sotheby's in the last two decades
A Highly Important 102.39-Carat D Colour Flawless Oval Diamond. Estimate upon request . Courtesy Sotheby's. HONG KONG .- Two days after the unprecedented single-lot sale of 102.39 carat D Colour Flawless Oval Diamond, offered without reserve, Sotheby’s...