Offered for your consideration is a wonderful Black Opal from Australia. It is 1.45 CT weighted surrounded by 0.41 CT Diamonds. The setting is yellow gold in 14 K and the condition is pristine, just recently professionally cleaned.
The ring face is 5/8" and the ring weighs 4.4 grams. It is size 6.5 and could be sized by your local jeweler if needed.