16 mai 2018
Three diamonds dazzle at Sotheby's Geneva
Property of a Princely Family. The Farnese Blue – a historic 6.16-carat pear-shaped fancy dark grey-blue diamond. Estimate: CHF 3.5 - 5 million (US$ 3.7 - 5.3 million). Sold for CHF 6,719,750 ($6,713,837). Courtesy Sotheby’s. GENEVA .- Tonight, three...