You are viewing a very fine quality 18K yellow and white gold custom made ring made in Italy in the 1980's. The ring measures 23 mm or just under 1" long up the finger by 19 mm or 3/4" across. The ring sits up off the finger 9 mm. It is marked: K18 Italy. The ring is a size 6 1/2 and could be re-sized. The ring weighs 9.8 grams.