A diamond and onyx bar brooch set in platinum c1920. The brooch is made up of two old mine cut diamond set plaques, ajoined by intermittent onyx bars. Set to the centre of the central onyx surround is?an old mine cut diamond weighing approximately 1.05ct, colour H and VS1 clarity. Either side of the centre stone sit two further old cut diamonds weighing approximately 0.90ct each, well matched in colour and clarity. The brooch measures approximately 9cm in length and has a gross weight of 14.09 grams. The total diamond wight is approcimately 5.80ct. The brooch comes complete with a RichDiamonds presentation box and our own certificate of authenticity.