장신구나 장식품에 사용하기 위해 깎고 다듬은 귀중한 돌 또는 그 원석.
A precious or semiprecious stone, especially one that has been cut and polished for use in jewelry or ornamentation.
예문:
"The jeweler carefully selected a rare gemstone for the custom engagement ring."
"Raw gemstones are often found deep within the earth's crust before they are processed."
"Diamonds, rubies, and emeralds are among the most valuable gemstones in the world."