A gemstone popularly associated with the month or astrological sign of one’s birth.
More example sentences
- Gems and birthstones are becoming more popular, as are styles such as solitaire diamonds, cluster rings and diamond set rings with small stones or gems set on either side.
- Anyway, some people go by month when determining birthstones, others go by the zodiac.
- Which is the birthstone for the month of September?
Definition of birthstone in:
- The British & World English dictionary