Edwardian 1.52tcw Old Mine Cut Diamond Plaque RingA really striking 1. 57tcw Old Cut Diamond Plaque Ring, with synthetic rubies, from the Edwardian period. The Old Cut Diamonds are arranged in a rectangular fashion with milgrain edges. A delicate detail of thirty two synthetic rubies surrounds three Old Mine Cut Diamonds with a total weight of 1. 22ct. The diamonds are graded in the setting as H I in colour and SI1 SI2 clarity. A further twenty six Old Mine Cut and Rose Cut Diamonds surround these,