18.5 x 15.4 x 11.6 MM Natural Blue Topaz Oval Shape Loose selling Gemstone 25.88 CT

Stone London blue topaz
Quantity selling 1 Pcs
Size 18.5 x 15.4 x 11.6 mm
Shape Cushion
Color Blue
Clarity VVS
Treatment Irradiation



CLARITY SCALE

1. IF : Internally Flawless , Very high Quality.
2.VVS : Very very slight inclusion visible under 10x Magnification , High Quality.
3.VS : Slight inclusion that are visible to the Naked Eye , Good Quality.
4.SI1-2 : Significant inclusion that are more prominent to the Naked eye.
5. I : Inclusion Clearly visible to the Naked eye , Medium to the lower Quality
6.Opaque : Light cannot pass through.
7.Transparent : Light can pass through.