8.27 ct black spinel perfect replacement stone for diamond

Product No: 1606spi0018
Stone Type: Natural Spinel
Shape: Oval
Total Weight: 8.27 Carats
Size (mm): 13.3x11.9x6.9mm
Colour: Black
Clarity: PK
Luster: Very Good
Hardness: 8.5
Treatment: Natural/Untreated
Origin: Tanzania