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2.06CT ROUND TEAL MADAGASCAR SAPPHIRE, DEEP ROYAL BLUE TEAL, 7.97X4.54MM. Deeply saturated and presumed to be heated, a permanent treatment for color and clarity. Modern round brilliant cut with some slight natural silk! Some surface reaching cavities on the girdle.
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.