You are viewing a lovely example of a Mid-Century Modern bird's nest ring made in the 1960's. The ring measures 22mm or 7/8" long by 16mm. Set in the center is a marquise cut 3 carat Black Onyx stone. The ring is faintly marked: 14K. It is a size 7 and can be re-sized. The ring weighs 5.7 grams.