An unmounted melo pearl. Photo Bonhams

The near-round undrilled melo pearl of orange hue, weighing 173.20 carat, measuring 29.3 x 27.9mm. Lot 671. Estimate HK$ 1.95 million - 2.72 million (€220,000 - 310,000). Unsold.

Accompanied by a report from GIA, stating that the saltwater melo pearl is natural and has no indications of treatment. Report number 6112849002, dated 28 Jan 2011 

BONHAMS. FINE JEWELLERY & JADEITE, 26 May 2012 14:00 HKT, HONG KONG, ADMIRALTY