gemstone

gem stone |ˈjemˌstōn ˈʤɛmˌstoʊn | ▶noun a precious or semiprecious stone, esp. one cut, polished, and used in a piece of jewelry.

gemstone

gem |stone |ˈdʒɛmstəʊn | ▶noun a precious or semi-precious stone, especially one cut, polished, and used in a piece of jewellery.

gemstone

g é m st ò ne 名詞 C 宝石の原石 ; 宝石 .