Lot 570. A 10.49 carats Burma 'Royal Blue' Sapphire and Diamond Ring. Estimate HK$ 950,000 - 1,200,000 (€ 110,000 - 140,000). Sold for HK$ 1,250,625 (€ 142,980). © Bonhams 2001-2020

The cushion-shaped sapphire, weighing 10.49 carats, within a pear-shaped diamond surround, diamonds approximately 3.85 carats total, ring size 6.

Accompanied by a report from SSEF stating that the natural sapphire is 'Royal Blue' colour with strong saturation, has no indications of heat treatment and originates from Burma (Myanmar).

Accompanied by a GIA report stating that the natural sapphire is 'Royal Blue', a deep blue colour, has no indications of heat treatment and originates from Burma (Myanmar).

Bonhams. Hong Kong Jewels and Jadeite. Admiralty, Hong Kong, 6 July 2020, 14:00 HKT