Edward James Jewellery - Sheffield's renowned platinum and diamond engagement ring specialists Manufacturer and retail independent, Edward James Jewellery of Sheffield specialises in design-led, classic and contemporary Diamond Engagement Rings, Wedding Sheffield jewellers, Edward James Jewellery, specialise in design led, classic and contemporary Diamond Engagement rings, Wedding rings, Eternity rings and jewellery including unique pieces, all set with high quality diamonds and coloured gemstones, individually selected for cut, colour and clarity.