Australian Lightning Ridge Opal RingElectric green flash Lightning ridge Solid Opal in a White Gold rub set case. The Green flash is intense appearing like a single brush stroke of emerald green paint on a blue background. The ring is a wide freeform design that features an open filigree design sitting low on your finger making it a perfect everyday wear choice. The ring is solid 9ct yellow gold with the gem case handmade in 9ct white gold to enhance the stones natural beauty. Made in