18YG Coober Pedy class 1 transparent Opal with Red, Green and Blue spectral exchange. 0.60ct Cabochon cut Opal and Diamonds = 0.18ctw GH SI.
| Main Stone | Opal |
|---|---|
| Carat | 0.60ct total weight |
| Colour | White |
| Supporting Stones | Diamonds GH/SI 0.18ct total weight |
