A set of citrine and gold ‘melon slice’ jewelry, by René Boivin. Photo Christie's Image Ltd 2013 

Comprising two cuff bracelets, each set at the top with rectangular-cut yellow and orange citrines, to the sculpted 18k gold bracelet; and a brooch en suite, mounted in 18k white and yellow gold, with French assay marks, brooch with maker’s mark (partially indistinct), circa 1935, one citrine deficient. Brooch with maker’s mark for René Boivin (partially indistinct) (3). Estimate: $30,000 – $50,000 

Literature: Cf. Françoise Cailles, René Boivin Jeweller, Éditions de l'Amateur, 1994, page 179 

Notes: Based on original sketches in Belperron's archives, the design of this lot is believed to have been originally executed by Suzanne Belperron while she was working for the house of Boivin.

Christie's MAGNIFICENT JEWELS. 10 December 2013. New York, Rockefeller Plaza -www.christies.com