Lot 479. Fine diamond demi-parure, 'Ingres', Van Cleef & Arpels, 1970s.  Estimate 290,000 — 480,000 CHF (265,036 - 438,680 EUR). Photo Sotheby's. 

Comprising: a brooch of chandelier design, set with pear-, marquise-shaped and brilliant-cut diamonds,brooch fitting detachable, can be worn as a pendant, and a pair of ear clips, each piece signed Van Cleef & Arpels, ear clips numbered, French assay and maker's marks.  

Note: Cf.: Sylvie Raulet, Van Cleef & Arpels, Paris, 1986, pg. 138 for an illustration of a colerette 'Ingres', dated 1971, set at the centre with a marquise-shaped diamond, the brooch and ear clips are illustrated worn as pendants with a diamond necklace. 

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 17 May 2016, 10:00 AM