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Gold karat and weight, in plain numbers

What 10k, 14k, 18k and 24k mean, and how much pure gold a piece of a given weight holds.

How to use it

  1. Pick the karat on the listing.
  2. Enter the weight in grams if it’s given.
  3. See the share of gold and roughly how much pure gold the piece holds.

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A general guide. Brands cut and finish differently, so each piece’s own size chart and details win.