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One Natural Australian Boulder Opal triangular shape
Size of pendant: 23
Pearl colour: Silver
while the premium materials ensure lasting brilliance for years to come
18kt Yellow Gold Cluster Black Opal Crystal 0.7ct and Diamond Ring March 2026 One Natural Australian Boulder OpalTimeless elegance meets natural beauty in this stunning 18kt yellow gold cluster engagement ring. The centrepiece is a captivating 0. 7ct Australian black opal in classic oval cut, displaying mesmerising yellow green blue rolling flash that catches light with every movement. Seventeen round brilliant diamonds (0. 17ct, F colour, VS clarity) frame the opal in a traditional cluster design, creating a sophisticated halo effect that enhances the opal's