7.8 Carat Natural Untreated Sapphire Oval IGI Certified

SKU: JRO-P789067704-1
Sapphire
Oval

17% OFF

Natural
Unheated / No Heat
IGI Certified

Carat Weight: 7.80 ct
Shape: Oval
Dimensions: 13.83 x 10.63 x 4.88 mm
Treatment: Unheated / No Heat

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Why This Stone?

Natural Sapphire
No heat / untreated
7.8 carats
Oval
Transparent
IGI certified
Ships Internationally

7.8 ct natural oval-cut Sapphire, showing a cool, saturated tone that shifts subtly between daylight and incandescent light. Cut to 13.83 x 10.63 x 4.88 mm, the proportions were chosen to balance color and brilliance rather than maximize weight alone. This stone is untreated — no heat, no fillers, exactly as it was mined. With a hardness of 9 on the Mohs scale, the same durability corundum is known for in daily wear. Certified by IGI.

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Product Details

Specifications for 7.8 Carat Natural Untreated Sapphire – Oval
SKU	JRO-P789067704-1
Gemstone Type	Sapphire
Shape	Oval
Variety	Sapphire
Carat Weight	7.80 ct
Dimensions	13.83 x 10.63 x 4.88 mm
Treatment	Unheated / No Heat
Transparency	Transparent
Certificate	IGI

About This Gemstone

Genuine 7.8 ct Unheated / No Heat Oval Sapphire, IGI certified. Ethically sourced and ready to ship — Stone #682.

Certification

IGI Certified Independently graded before dispatch
Ships With Its Certificate The physical report travels with the stone

Shipping Information

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Understanding Carat Weight

See The Size On Your Hand

Approximate gemstone size on a U.S. size 6 finger

0.07 ct 33.10 ct

Carat (ct.) is the standard unit used to weigh natural gemstones, including the certified sapphires, rubies, emeralds, and other loose gemstones in our collection, and one gram equals 5 carats. Every gemstone listed on Jamsora shows its exact carat weight alongside its independent lab certificate, so you always know precisely what you're buying.

Matched pairs: when a listing is sold as two stones together, the carat weight shown is their combined total, not the weight of each individual stone.

Carat weight alone doesn't fully describe how large a gemstone will look once set, since two stones of equal weight can appear different sizes depending on their cut and proportions. For a more reliable sense of a stone's visual size, check its millimeter dimensions (length × width × depth), listed on every product page alongside its carat weight and certificate details.

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