The "100 Carats Club". Impressive Blue Topaz--"A Member of the 100 Carats Club", Brazil. Photo Bonhams.

This faceted pear-shaped topaz is distinguished by a rich blue hue that is commonly referred to in the trade "London Blue". Both its luster and clarity are excellent. Despite its weight of well over two hundred carats, it is not too large to be fashioned into a pendant for a confident wearer. Weighing approximately 286.5 carats and measuring 61.0 x 33.0 x 20.0mm. Estimate US$ 2,000 - 3,000 (€1,400 - 2,200)

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