宝石的英语简写为gemstone或jewels。
双语例句：
1、这块宝石高28.6毫米，重139.43克拉。
The gemstone is 28.6 millimetres high and weighs 139.43 carats.
2、宝石的V形琢型加工工艺
Processing Technology of V-Shaped Cut of Gemstone
3、那些大块的宝石一百个人都搬不动。
Those jewels are so gigantic a hundred men could not carry them.
