Ethiopian Opal ring in a low set four prong mounting. The faceted Opal weighs 1.1 carats and measures 8.9mm x 7mm. This ring is a size 5, other ring sizes are available from our collecton of about 20 other Opals in approximately the same weight and measurements and selling at the same price. This design can also be adapted to other smaller and larger Ethiopian Opals in inventory.