Lot 448. 23.92 carats, G Colour, VVS2 Clarity Diamond ring. Estimate 585,000 — 780,000 CHF. Lot sold 1,570,000 CHF. Photo  Sotheby's.

Set with a step-cut diamond weighing 23.92 carats, between baguette diamond shoulders, size 55, sizing beads, French assay and maker's marks.

Accompanied by SSEF report no 33104, dated 15 December 1998, and Gübelin report no. 0201001, dated 8 January 2002, each stating that the sapphire is of Burmese origin, with no indications of thermal enhancement.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM