Lot 304. Burmese sapphire and diamond necklace. Estimate 685,000 — 979,000 CHF. Photo Sotheby's

Composed of a line of cushion-shaped sapphires alternating with similarly shaped diamonds, length approximately 375mm..  

Accompanied by Gübelin report no. 16030113, stating that the majority of the sapphires are of Burmese origin, twenty with no indications of heating, and one with indications of heating; together with fifteen Gübelin reports dated 1995.

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