1.37CT OVAL MONTANA SAPPHIRE, GREY SILVER PURPLE COLOR-CHANGING, 7.1X6MM

This loose stone is available for a custom ring by Anueva Jewelry. Select your stone first and then select a setting. Add both to your cart and we'll create your ring!

1.37CT OVAL MONTANA SAPPHIRE, GREY SILVER PURPLE COLOR-CHANGING, 7.1X6MM. This is such a special sapphire. It is a rare grey color with great clarity, mined in Montana USA and cut perfectly. The stone exhibits a strong color change from sliver grey outdoors to lavender purple indoors. It is heated.

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.