Australian opal and emerald necklaceUnique boulder opal showing a gorgeous line of blue and green sparkle surrounded 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 emeralds have been included in this design to enhance the scene. This inspiring necklace features wonderful colourful, textured groups of 18ct solid gold and silver peppercorns, the gemstones are set in Fairtrade gold and it