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7.57 Ct Natural Cornflower Blue Sapphire — No Indications of Heating

At 7.57 carats, this sapphire is cut as a cushion with mixed faceting (8.74 x 10.66 x 7.52mm) and shows the "cornflower blue" collectors look for: a vivid, saturated blue with a soft violet warmth. The mixed cut combines step-style facets on the pavilion with a brilliant-style crown, giving the color depth and a lively return of light from the center of the stone to the edges.

There are no indications of heating, so the color you see is as nature formed it. Natural, untreated sapphires of this size and color are uncommon, because most blue sapphire in the market has been heat-treated to improve color or clarity. For buyers who want a stone with no enhancement, that is a meaningful difference.

Sapphire ranks 9 on the Mohs scale, second only to diamond, making it an excellent, durable choice for a daily-wear ring as well as a pendant or earrings.

• Type: Natural Sapphire

• Treatment: No Indications of Heating

• Weight: 7.57 Cts.

• Color: Cornflower Blue

• Shape/Cut: Cushion, Mixed Cut

• Measurements: 8.74 x 10.66 x 7.52mm


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At 7.57 carats, this sapphire is cut as a cushion with mixed faceting (8.74 x 10.66 x 7.52mm) and shows the "cornflower blue" collectors look for: a vivid, saturated blue with a soft violet warmth. The mixed cut combines step-style facets on the pavilion with a brilliant-style crown, giving the color depth and a lively return of light from the center of the stone to the edges.

There are no indications of heating, so the color you see is as nature formed it. Natural, untreated sapphires of this size and color are uncommon, because most blue sapphire in the market has been heat-treated to improve color or clarity. For buyers who want a stone with no enhancement, that is a meaningful difference.

Sapphire ranks 9 on the Mohs scale, second only to diamond, making it an excellent, durable choice for a daily-wear ring as well as a pendant or earrings.

• Type: Natural Sapphire

• Treatment: No Indications of Heating

• Weight: 7.57 Cts.

• Color: Cornflower Blue

• Shape/Cut: Cushion, Mixed Cut

• Measurements: 8.74 x 10.66 x 7.52mm