Lot 510. 5.49 carats E Colour, VVS1 Clarity Diamond ring. Estimate 190,000 — 280,000 CHF. Lot sold 230,500 CHF. Photo: Sotheby's 2012

Set at the centre with a step-cut diamond weighing 5.49 carats, size 48.

Accompanied by GIA report no. 2145785052, stating that the diamond is E Colour, VVS1 Clarity, together with an additional worksheet stating that the diamond may be Potentially Flawless after repolishing.

Sotheby's. Magnificent Jewels, Geneva, 14 Nov 2012