Gold price per troy ounce in Japan
On November 6, 2026, one troy ounce of 24K gold in Japan is worth 641,759 JPY; 22K is 587,851 JPY and 18K is 481,319 JPY.
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Price per troy ounce in JPY by karat
| Karat | Per troy ounce | Buy (bid) / gram | Sell (ask) / gram |
|---|---|---|---|
| 24K999 | 641,759 | 20,220.37 | 21,045.69 |
| 22K916 | 587,851 | 18,521.86 | 19,277.85 |
| 21K875 | 561,539 | 17,692.83 | 18,414.98 |
| 18K750 | 481,319 | 15,165.28 | 15,784.27 |
| 14K585 | 375,429 | 11,828.92 | 12,311.73 |
| 10K417 | 267,614 | 8,431.89 | 8,776.05 |
| 9K375 | 240,660 | 7,582.64 | 7,892.13 |
About this unit
Gold is priced internationally per troy ounce, which equals 31.1035 grams — about 10% heavier than the ordinary (avoirdupois) ounce of 28.35 g.
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JPY exchange rate
| 1 USD | 157.8355 JPY |
|---|---|
| 1 EUR | 177.2476 JPY |
| 1 GBP | 212.4543 JPY |
Gold spot price trend (USD/oz)
How the gold price in Japan is calculated
We take the live spot price of 4,066.00 USD per troy ounce, divide it by 31.1035 to get 130.72 USD per gram of pure gold, and multiply by today’s exchange rate of 157.8355 JPY per dollar. That gives 20,633.03 JPY per gram for 24K. Lower karats are priced by their gold content.
Japanese retailers such as Tanaka publish daily retail gold prices in yen per gram that include consumption tax.
Before you sell, weigh your pieces on a jeweler’s scale, check the hallmark and compare at least two quotes. Read our guide to selling gold.
More gold prices in Japan
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