5.30 ct Oval Blue Sapphire, LOTUS, Ceylon Heated

5.30 ct Blue Sapphire, oval cut, from Ceylon. Heated, the long-established and stable treatment for rubies and sapphires, accepted across the trade. Sri Lanka (Ceylon) is known for bright, lively sapphires across the colour range, including padparadscha. LOTUS report 1381-5529. Measurements: 11.55 × 9.19 × 5.67 mm. Our grading: fine quality cornflower blue. Stock number CS-0896. The video on this page was filmed in our office, unedited and unfiltered. 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.

Cornflower blue, in its colour grade, is a bright, softer mid-blue, the colour long associated with Kashmir and Ceylon. Its laboratory report is from Lotus Gemology in Bangkok, a specialist in ruby, sapphire and spinel. Its length-to-width ratio is 1.26. Large enough to anchor a statement ring or pendant.

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