Metric Grain (Noun)
Meaning
A weight unit used for pearls or diamonds: 50 mg or 1/4 carat.
Classification
Nouns denoting quantities and units of measure.
Examples
- It took a skilled jeweler to measure the small pearls in metric grain units to determine their authenticity.
- The price of the diamond earring was based on the weight calculated in metric grain, which determines its overall value.
- To assess the gemstone's authenticity, the appraiser checked the weight in metric grain as specified on the GIA report.
- A small but significant error in calculating the weight in metric grain led to a huge difference in the price of the precious stone.
- A metric grain measuring scale was the most vital tool in the gem lab, used for scrutinizing the tiniest of gemstones and pearls.