Australian Black Opal 4.40 Carats Ring Set in 18k Platinum PT900 with 48x G-H/Vs1-Si1 Diamonds TDW 0.760 Ct
Black Opal - Natural Opal Type 1 found in Lightning Ridge N.S.W., Known for its rich vibrant colours and unique patterns, it is five thousand times rarer than diamond. Iron oxide in the hydrated silica results in a black or grey body tone (N1-N4). Guaranteed free from artificial enhancements.