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Exceptional 24.36 carats Star Sapphire, Sri LankaEstimate US$ 50,000 – 60,000 (€40,000 – 48,000). Photo Bonhams

This is a fine example of a sapphire with the optical phenomenon of asterism. The oval cabochon star sapphire possesses a rich cornflower blue color, typical of sapphires originating from Sri Lanka. The asterism is very strong and central making this a desirable choice for the serious collector.
Weighing approximately 24.36 carats and measuring 15.5 x 14.5 x 9.2mm

BONHAMS. GEMS, MINERALS, LAPIDARY WORKS OF ART AND NATURAL HISTORY, 23 Nov 2014 10:00 PST – LOS ANGELES