3 novembre 2016
A 10.16 carats D colour, Internally Flawless clarity heart-shaped Type IIa diamond ring, by Graff
Lot 207. A 10.16 carats D colour, Internally Flawless clarity heart-shaped Type IIa diamond ring, by Graff. Estimate CHF 700,000 - CHF 1,100,000 (USD 710,465 - USD 1,116,445) . Photo Christie's Images Ltd 2016. Set with a heart-shaped diamond, weighing...