Lot 324. Collection of the Princess Doria Pamphilj. Pair of important 9.46 and 12.32 carats Burmese ruby and diamond earrings, circa 1840. Estimate 587,000 — 979,000 CHF. Photo Sotheby's.

Each set with a pear-shaped and an oval stone weighing 9.46 and 12.32 carats respectively, decorated with foliate motifs set with single-cut and rose diamonds, post and hinged back fittings later added.

Accompanied by SSEF report no. 86415 and CISGEM report no. 2032, each stating that both stones are rubies of Burmese origin, with no indications of heating. 

Also accompanied by Gübelin report no. 16070144, stating that the stone weighing 12.33 carats is a ruby of Burmese origin, with no indications of heating, and no. 16070143, stating that the stone weighing 9.46 carats is a pink sapphire of Burmese origin, with no indications of heating.