Lot 276. Pair of 13.24 and 15.05 carats Burmese sapphire and diamond ear clips. Estimate 240,000 — 435,000 CHF (201,062 - 287,884 EUR). Photo Sotheby's

Each surmount set with brilliant-cut diamonds suspending a pear-shaped motif set with similarly cut diamonds and an oval sapphire stated to weigh 13.24 and 15.05 carats respectively, French assay mark.

Accompanied by SSEF report no. 78797, stating that the sapphires are of Burmese origin, with no indications of heating.  

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 17 May 2016, 10:00 AM