October › Diamond and Opal Ring with a Twist Image 1 of 1 Diamond and Opal Ring with a Twist $1,299.00 One 14k yellow gold and diamond fashion ring with an oval opal in the center and twisting sides. Get notified by email when this product is in stock. Add To Cart Added! One 14k yellow gold and diamond fashion ring with an oval opal in the center and twisting sides.