‘Spark' - opal & gold ringAlive with light and movement, Spark feels like it was grown inside a thunderhead. The jagged gold structure wraps the opal like exposed circuitry, all nerve and chargeraw elegance held in tight formation. At its core: a 4. 2ct Lightning Ridge crystal opal that flashes with brilliant greens, blues, and pastel fire, glowing like plasma behind frosted glass. The 9ct yellow gold setting is wild and intricate, sculpted with branching detail that flickers