Oval Ruby and Diamond Dress Ring in 18ct Gold Rings Jewellery Lot 76 A 14ct yellow gold diamond and ruby dress 44 Ruby & Diamond Dress Ring 3.03 Carat Ruby and Diamond Dress Ring at 1stDibs 9ct Yellow Gold Diamond and Ruby Dress Ring PR06270YRU Ramsdens Jewellery. Brilliant cut diamonds. Hallmarks for London. Can Be Resized: Yes Colour: Gold,Red,White Era: 20th Century Gemstone: Diamond,Ruby Material: Gold Metal fineness: 18ct Ring size: 4 Total carat weight: Estimated total diamond weight 0. 20ct. Date: 1978 Weight: 2. 7