5.64 ct Oval Blue Sapphire, GIA, Heated

Name: 5.64 ct Oval Blue Sapphire, GIA, Heated video
Uploaded: 2026-11-12T00:56:47.167Z
Description: Royal blue, in its colour grade, describes a deep, rich, velvety blue, among the most valued sapphire colours. It is documented by GIA, the Gemological Institute of America. Its length-to-width ratio is 1.31. A centre stone of real presence for a ring or pendant.

5.64 ct Blue Sapphire, oval cut. Heated, the long-established and stable treatment for rubies and sapphires, accepted across the trade. GIA report 2171432551. Measurements: 11.59 × 8.87 × 6.64 mm. Our grading: gem quality royal blue. Stock number CS-0035. 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.

Royal blue, in its colour grade, describes a deep, rich, velvety blue, among the most valued sapphire colours. It is documented by GIA, the Gemological Institute of America. Its length-to-width ratio is 1.31. A centre stone of real presence for a 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