Sumptuous natural tanzanite of 17.99 carats, cushion cut. Its deep blue-violet colour was revealed by traditional heat treatment, a common practice for this gem. At over 15 mm across and a weight of nearly 18 carats, this is an exceptional collector's stone. Price on request.
Characteristics:
Stone sourced by us directly in the producing countries. Discover all our blue gemstones or book an appointment at our Paris offices.
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