9ct yellow gold 042ct opal diamond single stone ringopals are beautiful gemstones with the finest specimens containing every colour of the rainbow the hand cut opal gemstone and diamonds set on a 9ct yellow gold ring band allows the wearer to capture the true beauty of the opal gemopal informationstone shapecut ovalstone size 7x5mmnumber of stones 1carat weight 042ctbirthstone october zodiac libra wedding anniversaries 14thwhite diamond informationstone shapecut roundstone