Black Opal

A wonderful 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) More gold ring with an 18ct white goldWhite gold is an alloy of gold and at least one other white metal - most often nickel or palladium (both of which act as a bleaching agent to reduce the natural yellow colour of the gold). More top that was made circa 1910-1920. It has been set with a stunning black opalOpals occur in a range of body colours from white, black or grey, bright orangey red and a pale watery colour. The most precious opals show strong colour contrast and generally have a dark body colour with a vivid array of colour play. More that weighs approximately just under two caratsThe unit of weight for a diamond or other gemstone and also for a pearl. Abbreviated 'ct', 1 carat is equal to 0.2 grams. In reference to gold, a unit of purity or fineness of gold and gold alloy, expressed as a number out of 24 parts by weight, e.g. '24 carat' signifies pure gold, '18 carat' 18/24th gold in the alloy, et cetera.  Also abbreviated as 'c... More. The colours are like peacock feathers with a great depth of green and blue colours. The opal originates from Lightning Ridge in Australia. The first recorded black opal was found there in 1873. It is the only place where black opals are sourced. It is surrounded by well matched clawA precious metal prong used to hold a gemstone in place. More set white diamonds. A perfect ring for an admirer of black opals.}

A striking 18ct gold ring set with a large oval black opal. Black opals are the most desirable opals. The first recorded black opal was found in Lightning Ridge, Australia in 1873. It is the only place where black opals are sourced. This ring was made circa 1930. It displays green and blue flashes and looks fabulous on the finger. }