4.07 ct Oval Black Opal

Opal type: Black opal
Colors: Semi-translucent, dark blue, blue, turquoise, green
Weight: 4.07 carats
Dimensions: 17.55 x 12.77 x 3.25 mm
Shape: Oval
Cut: Cabochon
Body tone: N4
Treatment: None
Origin: Lightning Ridge, Australia
 
Gemstone enhancement disclosure information:
All gemstones are natural and untreated (N), unless otherwise indicated.
N - Natural/Untreated • ASSBL - Assembled