A very pretty and lively natural black opal from Lightning Ridge, Australia weighing 0.83 carats. The ring is composed of 18 karat royal yellow gold with 22 karat yellow gold granulation. The techniques used to make granulation date back over 4000 years to the ancient Egyptians and Etruscans. The opal is cut in a flat cabochon so that the 22 karat yellow gold bezel protects the surface.This opalhas strong blue green play of color with a golden yellow and neon green flash.
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