You are viewing a lovely 14K yellow gold filigree ring made in the 1980's. The ring measures 12 mm or just under 1/2" long up the finger by 21 mm or 3/4" across. Set on top is a natural Australian pin fire Opal weighing around 4 carats. It faces up mostly reds and blues. The ring is marked: 14K. It is a size 6 1/2 and can be re-sized. The ring weighs 5.3 grams.