Lot 488. Emerald, ruby, mother-of-pearl and diamond brooch, 'New Khandy', Cartier. Estimate 295,000 — 490,000 CHF. Lot sold 610,000 CHF. Photo: Sotheby's.

Designed as a parrot on a branch set with brilliant-cut diamonds, polished mother-of-pearl, calibré-, circular-cut and carved emeralds and rubies, suspending a drop-shaped emerald weighing 11.55 carats, signed Cartier, numbered, French assay and maker's marks, case signed Cartier. 

Authentification: Accompanied by SSEF report no. 82022, stating that the emerald is of Zambian origin, with a minor amount of oil in fissures, together with a Cartier certificate of authenticity.

Bibliography: Cf.: Nadine Coleno, Amazing Cartier, Creations since 1937, Paris, 2008, pg. 32 for other examples of parrot brooches. 

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 11 nov. 2015, 10:00 AM