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1.18ct Round Montana Sapphire, 6.25mm in diameter. This sapphire was mined in Montana, USA and cut in a round brilliant design. The sapphire is white/light grey in color and has some natural inclusions, visible in our magnified photos. The inclusions are less visible to the naked eye from a normal distance. This stone is presumed to be heated, a permanent treatment to improve color and clarity.

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.