Blue Opals are the most colourful of all gems. Their amazing play of colour is unsurpassed, consisting of iridescent flashes that change with the angle at which the Opal is viewed. This phenomenon is called opalescence. We have created a new collection of cultured Blue Opal Jewellery using Japanese cultured Opals of the highest quality. Browse through our latest cultured Opal jewellery designs ... now available for immediate delivery!