polished diamond; artificial gemstone
Meanings
2 senses · 10 examplesnoun
polished diamond; precious gemstone
Refers to natural diamonds that have been cut and polished for use as jewelry. Highly valued for their brilliance and hardness.
She is wearing a shiny diamond ring.
Diamonds are a symbol of eternity.
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This diamond has been carefully cut.
He bought a diamond at the jewelry store.
The diamond necklace hung around her neck.
noun
high-hardness artificial gemstone; industrial diamond
Refers to synthetic diamonds or other hard materials used for industrial purposes such as bearings in precision instruments, cutting tools, or as imitation jewelry.
Synthetic diamonds are often used for industrial cutting.
The bearing of this watch is made of diamond.
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Industrial diamonds are much cheaper than natural ones.
Scientists use diamonds to make parts for precision instruments.
This drill bit is inlaid with synthetic diamonds.