Paragon (diamond)
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In gemmology the term paragon refers to any flawless diamond with a mass of at least 100 carats.
The Regent Diamond, or Diamant le Régent, a paragon
Carat (mass)
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The carat is a unit of mass equal to 200 mg, which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Co
Paragon (diamond)
…In gemmology the term paragon refers to any flawless diamond with a mass of at least 100 carats. Currently the largest flawless natural diamond (as opposed to synthetic diamond) in the world is known as The Paragon, a D-color gem weighing 137.82…
A 1-carat (200 mg) brilliant diamond
Diamond-weighing kit, with weights labelled in grams and carats
Brillanten