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  1. Carat (mass) - Wikipedia

    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 …

  2. CARAT Definition & Meaning - Merriam-Webster

    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.

  3. What Is a Carat? Jewelry’s Most Misunderstood Term

    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: …

  4. CARAT | English meaning - Cambridge Dictionary

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

  5. What is a carat? How many carats are in gold and in diamond?

    Feb 12, 2020 · In relation to gold and other metals, a “carat” has a completely different meaning. The Karat or Carat system measures metal purity as a fraction. It tells you how many parts (of …

  6. Carat vs Karat - What's the Difference and Why It Matters

    Apr 24, 2025 · When comparing Carat vs Karat, remember that carat relates to diamond weight, while karat reflects the gold’s purity in your jewelry. The karat of gold jewelry directly affects its …

  7. carat - Wiktionary, the free dictionary

    Nov 1, 2025 · carat (plural carats) A metric unit of mass equal to exactly 200 mg, chiefly used for measuring precious stones and pearls. meronym Meronym: grain (historical) Any of several …

  8. Carat | Weight, Measurement, Jewelry | Britannica

    carat, unit of weight for diamonds and certain other precious gems. Before 1913 the weight of a carat varied in different gem centres.

  9. What Is a Carat? Understanding Gem Weight Measurement

    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).

  10. "Karat" vs. "Carat" – What's The Difference? | Dictionary.com

    Mar 15, 2022 · In the context of gemstones, and especially diamonds, carat refers to the weight of the stone. A carat is equivalent to .20 grams. In some systems, the weight of a diamond is …