7.97 ct large very beautiful oval cut natural loose rainbow quartz gemstone

Product No: 2110mqu0007
Stone Type: Natural Quartz
Shape: Oval
Total weight: 7.97 carats
Size (mm): 14.2x10.1x6.9mm
Color: Rainbow
Clarity: VVS1
Luster: Very Good
Hardness: 7
Treatment: Heat/Diffusion
Origin: Brazil