A vintage platinum diamond and onyx brooch circa 1920. The brooch is made up of two old mine cut diamond set plaques, joined 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. On either side of the centre stone sit two 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 weight is approximately 5.80ct.
 
Comes complete with a Rich Diamonds presentation box and our own certificate of authenticity.