21.6-carat gold price
Calculate the value of your 21.6-carat gold (90.0% purity) based on the real-time spot price.
Value for 1 g of 21.6-carat gold
$125.07
Equivalent to 0.900 g of pure gold
Spot price: 138.9652 $/gUpdated: September 23, 2026 at 08:00 AM
Value simulator
21.6-carat gold (90.0%)
Applied purity21.6-carat (90.0%)
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Understanding 21.6-carat gold
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90.0% purity
21.6-carat gold contains 90.0% pure gold. The rest is other metals such as copper or silver to strengthen the alloy.
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Value calculation
The value is calculated by multiplying the weight by the purity (0.9) then by the current spot price of pure gold.
Other gold purities
Discover the other purity levels available for gold.