Australian opal and Colombian emerald cluster ring - one of a kind solid gold and silver ring designNatural, unique boulder opal showing a gorgeous blue and green sparkle mixed by an ironstone matrix that adds warmth. As the light hits this opal from different angles you'll notice a purple hue throughout sparkling Colombian emerald have been included in this design to enhance the scene. This ring features wonderful colourful, textured groups of 18ct solid gold and silver peppercorns, the gemstones are set in Fairtrade 18ct gold, and supported by a