A diamond solitaire ring. Photo Bonhams

 centering a marquise-shaped diamond, weighing 9.01 carats with triangular-shaped diamond shoulders and a fluted mount; triangular-shaped diamonds each weighing approximately: 2.00 carats; mounted in platinum; size 6 3/4. Sold for US$128,500

Accompanied by GIA report #6137823881, dated September 22, 2011, stating the central diamond as: K (Faint Brown) color, VS1 clarity.

Bonhams. Fine Jewelry, 13 Dec 2011. New York, California, Los Angeles and California, San Francisco www.bonhams.com