4.76ct boulder opal 16.4x9.9x4.6MM opal bilingbiling，The main stone is a

bilingbiling，The main stone is a slanted drop-shaped ring face

Dimensions: 25

The feature of this one is that the color changes smartly and the brightness is high，Highlighted aurora golden green color change

8mm x 3mmSource: Queensland

5mmSource: Queensland

4.76ct boulder opal 16.4x9.9x4.6MM opal bilingbiling，The main stone is aHandmade Materials: Gem type: Opal Description Natural Solid Untreated Australian Boulder Opal Polished Stone Weight: 4. 76carats Dimensions: 16. 4mm x 9. 9mm x 4. 6mm Source: Queensland, Australia Size and weight are approximate We are Australian jewelers with opal supplies based in Sydney. We provide custom jewelry design and settings with our opals. Please feel free to contact us about the your jewelry ideas. For more information please view our