23.07 Ct top gem black boulder opal

23.07 carats

Natural solid boulder opal

Western Queensland, Australia

Length: 30.9 mm
Width: 15.7 mm
Depth: 5.5 mm

Opal ID 2449 is a Top gem Grade boulder opal.

Australian boulder opals of this grade are extremely rare. They score very high in most valuation factors, including, brilliance, colour, pattern and play-of-colour. They often also have a black or very dark body tone.