Lot 17. A cushion-shaped diamond bangle. Sold for £206,500 (€262,412) inc. premium. Photo Bonhams.

The carved bangle set at the front with nine graduated cushion-shaped diamonds, weighing 9.50, 5.67, 5.50, 5.10, 5.05, 4.80, 3.67, 3.36 and 3.35 carats, and at the back with four further graduated cushion-shaped diamonds, alternating with pairs of smaller old brilliant-cut diamonds, mounted in yellow gold, remaining diamonds approximately 11.20 carats total, inner width 4.5cm

Accompanied by a report from GIA stating that the diamond weighing 9.50 carats is Fancy Yellow, natural colour, VS1 clarity. Report number 2171533483, dated 17 March 2016. 

Accompanied by a report from GIA stating that the diamond weighing 5.10 carats is Fancy Light Yellow, natural colour, VS2 clarity. Report number 2175533491, dated 17 March 2016. 

Accompanied by a report from GIA stating that the diamond weighing 5.67 carats is in the Y-Z colour range, VS2 clarity. Report number 2175537498, dated 22 March 2016. 

Accompanied by a report from GIA stating that the diamond weighing 5.50 carats is in the Y-Z colour range, SI2 clarity. Report number 2175537500, dated 18 March 2016.

Accompanied by a report from GIA stating that the diamond weighing 5.05 carats is in the W-X colour range, VS2 clarity. Report number 1172533474, dated 17 March 2016.

Bonhams. AUCTION 23401: FINE JEWELLERY, 12:00 BST - LONDON, NEW BOND STREET