ring ， finger ring， circlet， hoop
例句
1. 她的右手上戴著壹枚鑲有綠寶石的戒指。
She wears a ring set with emeralds on her right hand.
2. 她手指上的鉆石戒指在燈光下閃閃發光。
The diamond ring on her finger glittered in the light.