Sergio Spivach & Stefano Spivach (AQA contemporary opals) opal sculpture ring in yellow gold, created using lost wax casting and engraving. The opal originates from Coober Pedy.

Sergio Spivach & Stefano Spivach (AQA contemporary opals) opal sculpture ring in yellow gold, created using lost wax casting and engraving. The opal originates from Coober Pedy.

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