Opal & Diamond Shell Brooch

An interesting 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. and diamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use… shell shape brooch. The opals are a very lively colour, and are complimented by diamonds below and fanning out above. The over all effect is stylish and smart. It was made circa 1940 and is 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold.