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Considering a five-figure Australian opal? Australian Opal Cutters presents 12 due-diligence questions covering exact stone identity, black-opal body tone, brightness, pattern, direction, cut, condition, treatments, documentation, valuation limits and customer support—without treating opal as a guaranteed investment.

Planning an opal showroom visit in Sydney? Australian Opal Cutters explains how to prepare your brief, share a useful budget, compare black opals and other varieties, assess colour under different lighting and ask the right questions before choosing ready-made or bespoke fine jewellery.