Citrine and aquamarine ring, 'Pampilles', René Boivin, circa 1970. Estimate 8,000 — 12,000 GBP. Photo Sotheby's

Claw-set with a step-cut citrine suspending a fringe of citrines and aquamarines, the shoulders similarly set,size L, sizing band, signed René Boivin, French assay and maker's marks. 

Bibliography: Cf: Françoise Cailles, René Boivin Joaillier, Les Éditions de l'Amateur, Paris, 1994, page 164 for an illustration of this ring.

Accompanied by a certificate from Françoise Cailles.

Sotheby's. Fine Jewels, London, 1 dec. 2015, 10:00 AM