Opals are some of the most unique gemstones on Earth. They range from milky white to fiery red and deep blue-green, and all have a kaleidoscope of shimmering colors within, called play-of-color. Here ...

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High jewellery designers in London, Hong Kong and Italy are fascinated by the opal’s rainbow of iridescent hues and are creating stunning looks using it With its technicolour palette, the fabled opal ...