A fancy intense yellow diamond ring, by Graff. Photo courtesy Bonhams.

The cut-cornered step-cut fancy intense yellow diamond, weighing 9.37 carats, between heart-shaped colourless diamond shoulders, signed Graff, ring size I½. Sold for £200,500 (€241,188) 

Accompanied by a report from GIA stating that the diamond is fancy intense yellow, natural colour, VVS2 clarity. Report number 10902195, dated 15 December 1999.

Bonhams. FINE JEWELLERY INCLUDING SELECTED JEWELS FROM THE COLLECTION OF BARBARA TAYLOR BRADFORD. London, New Bond Street. 5 Dec 2013 -www.bonhams.com