A luminous gem that displays all the colours of the rainbow, the Maria Tash 1/4 Opal Eternity Ring is set in 14ct gold with 17 natural Australian opals around the outside surface. The natural tones of the stone will mean each earring will be slightly different and entirely unique to you. Item Sold Singly. Ring closing mechanism: Clicker, Snaps Open and Closed. Care: to keep your jewellery looking bright and new, take a soft headed toothbrush with some mild soap and gently brush the front and back of the stones and metal. Rinse thoroughly with tepid water. Gemstone: Natural Australian Opal. Gold Carat: 14ct. Gold Weight: 0.49gm. Ring thickness: 0.9mm. Post thickness: 0.9mm.