Carat

ct

Couramment utilisé

The carat is the standard unit for weighing diamonds, gemstones, and pearls. The term comes from carob seeds, which were historically used as a reference for weight due to their consistency.

Convertisseur rapide

1 ct = g

Contrôle le format d'affichage. Les nombres très petits ou très grands seront affichés en notation scientifique (par exemple, 1,5e-6).

Carat (ct)

The carat is the standard unit for weighing diamonds, gemstones, and pearls. The term comes from carob seeds, which were historically used as a reference for weight due to their consistency.

Characteristics

  • Gemstone and jewelry standard
  • 1 carat = 200 milligrams (exact, since 1913)
  • Crucial for diamond grading: one of the “Four Cs” along with cut, color, and clarity
  • Higher carat weight generally indicates higher value in diamonds

Conversions

  • 1 ct = 200 mg
  • 1 ct = 0.2 grams
  • 1 ct = 0.0002 kg
  • 1 ct = 3.0865 grains
  • 1 ct = 0.00715 ounces
  • 5 carats = 1 gram

Unités associées

Utilisé dans les régions

Jewelry Diamonds Gemstones International
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