Burmese ruby and diamond ring. Estimate 146,000 — 245,000 CHF (137,736 - 231,132 EUR). Photo Sotheby's.

Set with an oval ruby weighing 5.13 carats, within a frame of similarly shaped diamonds, the shoulders decorated with brilliant-cut stones, size 53, sizing band signed VCA, numbered. 

Accompanied by SSEF report no. 37033, dated 26 March 2001, stating that the ruby is of Burmese origin, with no indications of thermal enhancement. 

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