Lot 213. An approximately 23.56 carats square step-cut fancy intense yellow diamond and diamond ring, by David Webb. Estimate USD 300,000 - USD 500,000. Price realised USD 607,500. © Christie’s Images Limited 2017.

Of bombé design, set with a square step-cut fancy intense yellow diamond, weighing approximately 23.56 carats, within a baguette-cut diamond and circular-cut yellow diamond surround, gallery and hoop, 1978, ring size 6, mounted in platinum and 18k gold. Signed Webb for David Webb

Accompanied by report no. 5181155864 dated 6 February 2017 from the GIA Gemological Institute of America stating that the diamond is fancy intense yellow, natural color, VVS1 clarity,accompanied by a working diagram indicating that the clarity of the diamond is potentially Internally Flawless

Christie's. Magnificent Jewels, 26 April 2017, New York, Rockefeller Center