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4.26CT GEO OVAL PURPLE TANZANITE, GIA, 12.22X8.69X5.90MM, HEATED

Thistanzanite was cut into a unique oval shape with geometricfacets for maximum sparkle. It is eye clean with no visible inclusions. This stone has a medium purple-lavendercolor and has been heat treated. This stone has a GIA report number 5202747259.

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.