11.6 carat Queensland boulder opal, free form in shape, with wave patterns of play colour in bright aqua, greens and blues, custom made in sterling silver. Opal was mined from the Firey Comet Mine in the Koroit field in Queensland. Pendant is from the opal cutter's own collection. Size: length 38 millimetres, width 18 millimetres

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BID WITH CONFIDENCE: All goods have been thoroughly assessed by valuers with registered the National Council of Jewellery Valuers (NCJV) and Gemmological Association of Australia (GAA)