Lot 180. Pair of emerald, onyx and diamond earrings, ‘Panthère’, Cartier. Estimate CHF52,000–82,000 ($52,808–83,274). Photo: Sotheby's.

Each surmount designed as a panther atop an onyx hoop, the body pavé-set with brilliant-cut diamonds highlighted with cabochon onyx, the eyes embellished with pear-shaped emeralds, supporting a fringe of brilliant-cut diamonds and drop shaped emeralds, signed Cartier, numbered, French assay and maker's marks, post and hinged back fittings, case stamped Cartier. 

Sotheby's. Magnificent Jewels and Noble Jewels, Sessions 1 and 2 Geneva, 16 May 2017, 10:30 AM