Victorian Opal & Diamond Swan Brooch rivière necklace The oval rock crystal centres

The oval rock crystal centres are surrounded by emerald and diamond compass points

Some speculate that it derives from the Cornish miners who began working the Derbyshire mines in the 1740s

set with a two halo clusters of gemstones - blue sapphire and white diamond - around a central old cut diamond

A gorgeous double string pearl necklace dating from 1967

Victorian Opal & Diamond Swan Brooch rivière necklace The oval rock crystal centresDATE: Victorian, c. 1880 Supreme grace a trait shared by both this brooch, and the swan it's modelled after. Beautifully crafted in silver and 15k gold, the body comprising a large white opal displaying excellent play of colour: a broad swathe of blue and green cuts through a predominantly red, orange, and pink background. With diamond set head and tail feathers, ruby eyes, and gold beak. Although people often say it, it's categorically untrue that a