Emerald, ruby, mother-of-pearl and diamond brooch, 'New Khandy', Cartier. Estimate 295,000 — 490,000 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

AuthentificationAccompanied 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.

BibliographyCf.: 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