a precious or semiprecious stone, esp one cut and polished for setting in jewellery
WordReference Random House Learner's Dictionary of American English © 2025
gem•stone /ˈdʒɛmˌstoʊn/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Jewelrya mineral or crystal that can be cut and polished for use as a gem.
gem•stone
( jem′stōn′),USA pronunciation n.
- Jewelrya precious or semiprecious stone that can be cut and polished for use as a gem.
- Middle English gimstone, Old English gimstān. See gem, stone bef. 1000
Collins Concise English Dictionary © HarperCollins Publishers::
'gemstone' also found in these entries (note: many are not synonyms or translations):
Venus hairstone
- YAG
- agate
- alexandrite
- almandine
- amethyst
- aquamarine
- assembled
- aventurine
- beryl
- beryllonite
- bloodstone
- cairngorm
- carbuncle
- carnelian
- chalcedony
- chatoyant
- chrysoberyl
- chrysoprase
- citrine
- claw
- colored stone
- corundum
- cuvette
- diamond
- doublet
- facet
- fire opal
- foil
- garnet
- heliodor
- hyacinth
- imitation
- industrial diamond
- jadeite
- jasper
- jewel
- lap
- lapidary
- lapis lazuli
- marquise
- moss agate
- olivine
- onyx
- opal
- perfect
- peridot
- plasma
- precious opal
- pyrope