4.55 ct large perfect natural chalcedony gemstone

Product No: 1711cdn0020
Stone Type: Natural Chalcedony
Shape: Oval
Total Weight: 4.55 Carats
Size (mm): 12.4x10.2x5.7mm
Color: Blue/Purple
Clarity: IF
Luster: Very Good
Hardness: 7
Treatment: Natural/Untreated
Origin: Africa