Ruby and diamond necklace. Photo Sotheby's.

Composed of a series of clusters set with cushion-shaped and oval rubies framed with cushion-shaped and circular-cut diamonds, suspending a cluster further embellished with circular-cut rubies, length approximately 420mm, French import marks. Estimation 315,000 — 490,000 CHF

Accompanied by SSEF report no. 71805, stating that the fourteen rubies are of Burmese origin, thirteen with no indications of heating, one on the clasp with indications of heating.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 13 mai 2014 - http://www.sothebys.com/