A colored diamond and diamond pendant necklace. Photo courtesy Bonhams.

set with a triangular-cut blue diamond, weighing 1.00 carat, accented by a scrolling pavé-set diamond bail, completed by a fancy link chain; mounted in platinum; length: 18in. Sold for US$ 134,500 (€97,527)

Accompanied by GIA report #2155420372, dated May 28, 2013, stating the diamond as natural fancy gray-blue color.

Bonhams. Fine Jewellery New York. 19 Jun 2013 - www.bonhams.com