Golden Elegant Opal Turquoise Belly Button Ring. There's only one word for this stunner! WOW! Beautiful gold with a pop of turquoise and a sparkling synthetic opal. The colors are amazing and so is the style. 5/8" long and 1/2" wide. Oval shaped. Opals are always popular and turquoise is the color that everyone needs in their collection. 14GA. 3/8" barbell. Gold Plated Surgical Steel material.