precious gemstone
gemstone jewelry
gemstone collection
A: Is this ring made of real gemstones?
A：这枚戒指是由真正的宝石做的吗？
B: Yes, it features a stunning emerald gemstone.
B：是的，它有一颗令人惊叹的祖母绿宝石。
1) 贵重宝石
2) 经过加工的矿物
3) 珠宝的主要材料
1. 宝石
noun
1. A precious stone, especially one that is cut and polished.
Synonym: jewel, gem