The "100 Carats Club". Star Sapphire-"A Member of the 100 Carats Club", Mogok, Burma. Photo Bonhams.

This large, near-circular cabochon sapphire possesses a light to medium "denim" blue hue with a well-polished dome of medium height. The asterism is strong and central. Weighing approximately 110.25 and measuring 26.0 x 24.5 x 15.0mm. Estimate US$ 11,000 - 15,000 (€8,000 - 11,000)

Accompanied by an Asia Glory Gemmological Laboratory of Myanmar report no. 012165 dated November 23, 2013 stating that the natural star sapphire, weighing 110.72 carats from Mogok, Myanmar shows no indication of thermal treatment.

Bonhams. GEMS, MINERALS, LAPIDARY WORKS OF ART AND NATURAL HISTORY. Los Angeles, 20 May 2014 10:00 PDT - www.bonhams.com