Exceptional Museum-Quality 449.5 carats Blue Topaz. « A Member of the 100 Carats Club ». Estimate US$ 40,000 – 60,000 (€40,000 – 60,000). Photo Bonhams
Faceted by AGTA winning lapidary Stephen Kotlowski, Sedona, Arizona
With its checkerboard faceted top and mixed-cut pavillion, this is an impeccably well cut blue topaz suitable for the collector who would like to possess an example of a uniquely well-executed trophy stone.
Weighing approximately 449.5 carats and measuring 43.0 x 35.5 x 42.0mm
BONHAMS. GEMS, MINERALS, LAPIDARY WORKS OF ART AND NATURAL HISTORY, 23 Nov 2014 10:00 PST – LOS ANGELES