You are viewing a large Modernist 14K yellow gold ring from the 1970's. The ring measures 18mm or just under 3/4" long by 23mm. It is set with a pin fire Australian Opal weighing between 8 - 10 carats. There is a channel of accent Diamonds on one side of the Opal. The ring is marked: 14K. It is a size 8 and can be re-sized. The ring weighs 6.7 grams.