Platinum 10.15ct Emerald Cut Ceylon Royal Blue Sapphire and 0.82ctw Diamond Ring

Platinum 10.15ct Emerald Cut Ceylon Royal Blue Sapphire and 0.82ctw Diamond Ring

This stunning platinum ring is in excellent condition and ready to ship!

Style	Platinum Emerald Cut Ceylon Royal Blue Sapphire Three-Stone Cocktail Ring
Material	Platinum
Center Stone	GRS-Certified Natural Emerald Cut Ceylon Blue Sapphire, 10.15 carats — Royal Blue, No Heat Treatment
Sapphire Origin	Ceylon (Sri Lanka)
Sapphire Treatment	No Heat Treatment (Natural, Unheated)
Accent Diamonds	0.82ctw Natural Epaulette Cut Diamonds, set as side stones
Ring Size	6.25 (can be sized)
Total Weight	12.8g (8.2 dwt)
Additional Details	This item comes with a Diamonds by Raymond Lee Presentation Box!
SKU	A30321712

 

A 10-carat Royal Blue sapphire certified unheated by GRS is, by any measure, a rare stone. Ceylon sapphires have commanded the world's finest auction rooms for centuries, prized above all other origins for the particular electric blue that the island's geology produces. This example, graded GRS2023-027275, carries the most desirable designation in the sapphire market: no heat treatment, meaning every facet of color you see is entirely as nature created it. At 10.15 carats, it occupies a weight category where certified unheated Ceylon stones are genuinely difficult to source.

The Emerald Cut is an inspired choice for a sapphire of this caliber. The long, open facets of a step-cut do not scatter light the way a brilliant does — they pool it into broad flashes, revealing the full depth and saturation of the stone's Royal Blue hue. Flanking the center are 0.82 carats total weight of epaulette-cut diamonds, their tapered trapezoid geometry following the corners of the sapphire in a way that frames the stone without competing with it. Set in platinum, the mounting keeps all visual attention on the sapphire's color.

A ring at this level is not a purchase so much as an acquisition. Unheated Ceylon sapphires above 10 carats with GRS documentation are collected alongside colored diamonds and Kashmir stones by serious gem investors. Worn as a cocktail ring, it makes an immediate statement. Passed to the next generation, it carries documented provenance and a certification that confirms every claim made about it today.

Each piece is fully inspected and authenticated by Diamonds by Raymond Lee in Boca Raton.

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