13.05 ct large very beautiful oval natural rainbow quartz gemstone

Product No: 2110mqu0003
Stone Type: Natural Quartz
Shape: Oval
Total weight: 13.05 carats
Size (mm): 16.2x12.1x8.1mm
Color: Rainbow
Clarity: VVS1
Luster: Very Good
Hardness: 7
Treatment: Heat/Diffusion
Origin: Brazil