3.87 Carat Natural Untreated Cornflower Blue Sapphire Oval

• SKU: JRO-SA206668217
• Sapphire
• Oval

• Natural
• Unheated / No Heat

Carat Weight

3.87 ct

Shape

Oval

Dimensions

11.40 x 8.18 x 3.89 mm

Treatment

Unheated / No Heat

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Includes IGI Certificate (+$100.00)

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This 3.87 carat oval-cut Sapphire shows a cool, saturated tone that shifts subtly between daylight and incandescent light. Cut to 11.40 x 8.18 x 3.89 mm, it's a natural stone, not a lab-grown substitute. This stone is untreated — no heat, no fillers, exactly as it was mined. Because it's sold loose, it can go into a custom ring, pendant, or earring setting — or simply stay in a collection as-is.

Add an IGI certificate (+$100.00) This stone doesn’t have a certificate yet. We’ll send it to IGI before shipping; the report confirms it’s natural, states any treatment, and is sent with your order. Adds about 10 business days: ships by instead of .

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