8.39 ct black spinel perfect replacement stone for diamond

Product No: 1606spi0006
Stone Type: Natural Spinel
Shape: Cushion
Total Weight: 8.39 Carats
Size (mm): 14.5x10.6x6.3mm
Colour: Black
Clarity: PK
Luster: Very Good
Hardness: 8.5
Treatment: Natural/Untreated
Origin: Tanzania