41.7% gold
Common fineness reference: 417. Actual assay results and permitted tolerances can vary, so markings alone are not a substitute for testing when composition matters.
Gold karats,
decoded.
Karat describes the proportion of gold in an alloy on a 24-part scale. Jewelry mixes gold with other metals to change durability, color and working properties.
58.5% gold
Common fineness reference: 585. Actual assay results and permitted tolerances can vary, so markings alone are not a substitute for testing when composition matters.
75.0% gold
Common fineness reference: 750. Actual assay results and permitted tolerances can vary, so markings alone are not a substitute for testing when composition matters.
91.6% gold
Common fineness reference: 916. Actual assay results and permitted tolerances can vary, so markings alone are not a substitute for testing when composition matters.
~99.9% gold
Common fineness reference: 999. Actual assay results and permitted tolerances can vary, so markings alone are not a substitute for testing when composition matters.
14K does not mean 14% gold.
14K means 14 parts out of 24 are gold: 14 ÷ 24 ≈ 58.3%. Commercial 14K is commonly associated with 585 fineness. Use BBB's Gold Value Calculator to estimate intrinsic metal value from weight, purity and a spot price.
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