An 'international carat' of 205 milligrams was proposed in 1871 by the Syndical Chamber of Jewellers, etc., in Paris, and accepted in 1877 by the Syndical Chamber of Diamond Merchants in Paris.

Precious stones are weighed in carats; a single carat is equal to 200 milligrams. Carat is also a variant spelling of karat, which measures the purity (but not the weight) of gold.

Estimate your gold value instantly by karat and weight. Use Mid-States 'Karat Kalculator' to calculator refining payouts based on live market prices.

The word “carat” actually came from seeds of the carob tree (yeah, the same plant some people use to replace chocolate). Ancient gem traders found out these seeds were amazingly consistent in weight.

CARAT definition: 1. a unit for measuring the weight of jewels (= precious stones) 2. a unit for measuring how pure…. Learn more.

CARAT definition: a unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight). c., ct. See examples of carat used in a sentence.

A carat is a unit of weight used to measure gemstones and pearls. One carat equals 200 milligrams or 0.2 grams. The heavier the stone, the higher its carat weight. Important note: Carat weight is not the …

Aug 4, 2025 · A carat is a unit of mass and weight used to measure gemstones and pearls, most notably diamonds. One carat is precisely equivalent to 200 milligrams (.2 grams).

Jun 1, 2025 · Today we're going to dive into what a carat truly is. So, let’s start with the basics. The word "carat" comes from the Greek word “kerátion," which means carob seed. Carob seeds were used in …

Carat measures weight, not size. A carat is a standard milligram measurement of weight, recognized and used globally.