21K Gold Price Per Gram (USD) — Live
$124.31 per gram for 21k gold in USD as of 17:30 UTC — 87.5% pure gold by weight.
24h +0.54% 7d +1.12% 30d —
Last updated · market open (New York session) · Spot source: gold-api.com · Spot is the wholesale mid-market — dealers add premium over it; use the calculators for real-world figures · See the full methodology.
21K gold price summary (USD)
Per gram
$124.31
Per troy ounce
$3,867
Per kilogram
$124,312
30-day position
Gold is currently trading +0.18% above its trailing 30-day average of $4,411/oz — +0.18%
How 21k compares to other karats (USD, per gram)
| Karat | Price / gram | vs 24k | vs 21K |
|---|---|---|---|
| 24K | $141.93 | 0.00% | +14.17% |
| 22K | $130.24 | −8.24% | +4.77% |
| 21K (this page) | $124.31 | −12.41% | 0.00% |
| 18K | $106.55 | −24.92% | −14.29% |
| 14K | $82.87 | −41.61% | −33.34% |
| 10K | $59.20 | −58.29% | −52.38% |
21K per gram in other currencies
Frequently asked questions
How much is 21k gold per gram in USD right now?
<strong>$124.31 per gram</strong> for 21k gold in USD as of 17:30 UTC. That is 87.5% of the pure-gold gram price ($141.93).
How is the 21k gold price calculated?
21K gold is 87.5% pure gold by weight. We take the live spot price per troy ounce, divide by 31.1034768 grams, then multiply by 21k's fineness factor of 0.875. The result updates here every minute.
How much is an ounce of 21k gold?
One troy ounce (31.1034768 g) of 21k gold is worth $3,867 in USD; a full kilogram is $124,312.
Is 21k gold valuable?
Yes — 21k gold contains 87.5% pure gold by weight, so it always holds intrinsic metal value. Its melt value sits +12.41% below pure 24k gold, and the remainder is alloy metals (copper, silver, zinc) that add durability for jewellery.
Should I buy 21k or 24k gold?
They serve different purposes. 24k (.999) is the investment standard — closest to spot, used in bullion. 21k trades at a discount per gram but is harder and more practical for jewellery; sellers of scrap 21k gold should expect offers keyed to this melt value, minus the buyer's margin.