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1.26CT ROUND MONTANA SAPPHIRE, LIGHT TEAL BLUE GREEN, 6.3X4.2MM, heated. Mined in Rock Creek, Montana, USA. Precision cut round brilliant sapphire mined in Montana! This sapphire has a visible feather inclusion, as shown in the photos.

About Heat Treatments:Some colored gemstones are routinely heated for color and clarity improvement. This is a permanent treatment and typically only involves heat and not chemicals. The treatment mimics what the earth does naturally to gemstones as they reach the surface. If the stone says "Unheated," it is not treated in any way.