29 octobre 2016
Important 15.15 carats, D Colour, Internally Flawless Type IIa step-cut diamond ring, Graff
Lot 299. Important 15.15 carats, D Colour, Internally Flawless Type IIa step-cut diamond ring, Graff. Estimate 1,380,000 — 1,770,000 CHF . Photo: Sotheby's. Set with a step-cut diamond weighing 15.15 carats, between tapered baguette diamonds, size 49,...