diamond
noun
a pure or nearly pure, extremely hard form of carbon, naturally crystallized in the isometric system.
diamonds
-
pluralof diamond.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Meanwhile, the price of lab-grown diamonds — or diamonds made by emulating the earth’s natural heat and pressure conditions — has fallen, as technological advances and production expansion lead to oversupply.
From MarketWatch ● Sep. 15, 2026
Last year, De Beers launched a campaign for natural diamonds, backed by its largest marketing budget in a decade.
From The Wall Street Journal ● Sep. 5, 2026
They say diamonds are forever, but in her hands, plumeria blooms and cactus blossoms can be too.
From Los Angeles Times ● Sep. 2, 2026
Some studies suggest that carbon may crystallize into diamonds deep inside these planets.
From Science Daily ● Aug. 20, 2026
Dragons weep diamonds, replied Tiamat, turning her head away.
From "Jeremy Thatcher, Dragon Hatcher" by Bruce Coville
