4.23 ct Round Blue Sapphire, Ceylon Heated

4.23 ct Blue Sapphire (4 pieces), round 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. Offered without a laboratory report. Measurements: Pair 5.65 × 5.60 × 4.10 (ma × ht); pendant 6.03 × 5.98 × 3.84; ring 6.30 × 6.25 × 4.02 mm. Our grading: gem quality vivid (royal) blue. Set of 4 stones, total weight 4.23 ct. Stock number CS-1269. 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. As a parcel it suits a line bracelet, a cluster or a run of matching stones.

More like this: Royal Blue Sapphires · Blue Sapphires · Ceylon Sapphires · 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