Lot 330. Formerly in the Collection of Princess Salimah Aga Khan. Ruby and diamond necklace, Van Cleef & Arpels, 1971. Estimate 490,000 — 783,000 CHF. Lot sold 828,500 CHF. Photo Sotheby's.

Set with cabochon rubies and brilliant-cut diamonds, the front decorated with a fringe similarly setcentral portion detachable, may be worn as a brooch with an additional fitting, length approximately 400mm, two additional links, may be shortened, length approximately 325mm, signed VCA, numbered, French assay and maker’s marks.. 

Accompanied by Gübelin report no. 16030170, stating that a large majority of the rubies are of Burmese origin, with no indications of heating.

Formerly in the Collection of Princess Salimah Aga Khan: Christie's Geneva, 13 November 1995, lot 247

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