22kt gold, diamonds, precious and semi-precious stones crafted into stunning jewellery items › Diamond shaped Opal set in 22 carat gold with diamonds on pure silver band Image 1 of 1 Diamond shaped Opal set in 22 carat gold with diamonds on pure silver band $2,450.00 Diamond-shaped Opal ring, pure silver band with 22kt gold and diamonds on each side. Ring size 54. Add To Cart Added! Diamond-shaped Opal ring, pure silver band with 22kt gold and diamonds on each side. Ring size 54.