Lot 300. Burmese  ruby and diamond necklace. Estimate 392,000 — 685,000 CHF. Photo Sotheby's.

Composed of a line of cushion-shaped, circular-cut and oval rubies highlighted with brilliant-cut diamonds, the front decorated with a fringe of foliate motifs set with similarly shaped rubies, brilliant- and single-cut diamonds, one synthetic ruby, length approximately 410mm. 

Accompanied by SSEF report no. 36438, dated 11 November 2000, stating that fifty-four rubies are of Burmese origin, with no indications of heating, and one is a synthetic ruby.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 16 nov. 2016, 10:30 AM