10.40 ct Oval Blue Sapphire, GIA, Ceylon Unheated

10.40 ct Blue Sapphire, oval cut, from Ceylon. Unheated: the colour is as the stone formed, with no heat treatment. Sri Lanka (Ceylon) is known for bright, lively sapphires across the colour range, including padparadscha. GIA report 2235028712. Measurements: 15.54 × 11.41 × 6.61 mm. Our grading: fine quality ceylon blue. Stock number CS-0070. Approved trade buyers can sign in on this page for pricing, or WhatsApp or email us about this stone. Viewings by appointment in Toronto, Hong Kong, Bangkok and Dubai.

Its laboratory report is from GIA, the Gemological Institute of America. Its length-to-width ratio is 1.36. A statement stone for a signature piece, or for a collection.

More like this: Blue Sapphires · Ceylon Sapphires · Unheated Sapphires · Unheated Gemstones · Stone search

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Further reading: Heated vs Unheated Sapphire: What the Difference Means for Price · Rubies, Sapphires and Emeralds: Origin, Treatment and Value