Rare Sri Lanka 12-Point Star Black Sapphire 4.29ct

Stone: Natural Sapphire

Location: Sri Lanka

Gemstone Effect: Asterism

Cut: Oval Cut 

Colour: Black-Brown 

Brightness: 6

Length: 10mm

Width: 8mm

Depth: 5mm

Weight: 4.29ct

Treatment: None

Clarity: Heavily Included with rutile inclusions 

Reference: 423