🇯🇵Platinum Rate in Tomakomai Today
The platinum rate in Tomakomai today is ¥9,642,645 per kilogram for 24K, based on an international spot price of $1,887.00 per troy ounce. That is up ¥287,695 from the previous close. This is the international spot price converted into JPY for Tomakomai. Jewellers there add making charges and a local premium on top, so a counter price will normally sit above this figure. It is one of Japan's larger markets, with a population of around 174,806.
Platinum rate in Tomakomai — all karats and weights
| Weight | 24K | 22K | 21K | 18K | 14K |
|---|---|---|---|---|---|
| 1 Gram (1 g) | ¥9,643 | ¥8,839 | ¥8,437 | ¥7,232 | ¥5,625 |
| 1 Troy Ounce (31.1035 g) | ¥299,920 | ¥274,926 | ¥262,430 | ¥224,940 | ¥174,953 |
| 1 Kilogram (1,000 g) | ¥9,642,645 | ¥8,839,091 | ¥8,437,314 | ¥7,231,984 | ¥5,624,876 |
All figures in JPY (Yen). Purity follows the karat/24 standard: 22K is 91.67% gold, 21K is 87.5%, 18K is 75%.
Last 10 days · 24K per kilogram in Tomakomai
Daily closes from COMEX front-month futures — a continuous series that predates our own spot record. Futures trade slightly above spot, so read these as the day-to-day movement, not as the counter price. Converted at the current JPY exchange rate.
| Date | 24K / kilogram | Change | % |
|---|---|---|---|
| Fri, 21 Aug 2026 | ¥9,644,178 | +¥287,695 | 3.07% |
| Thu, 20 Aug 2026 | ¥9,356,483 | +¥145,125 | 1.58% |
| Wed, 19 Aug 2026 | ¥9,211,357 | +¥389,385 | 4.41% |
| Tue, 18 Aug 2026 | ¥8,821,972 | -¥281,563 | -3.09% |
| Mon, 17 Aug 2026 | ¥9,103,536 | +¥160,966 | 1.80% |
| Fri, 14 Aug 2026 | ¥8,942,569 | +¥126,729 | 1.44% |
| Thu, 13 Aug 2026 | ¥8,815,840 | -¥183,450 | -2.04% |
| Wed, 12 Aug 2026 | ¥8,999,291 | +¥78,184 | 0.88% |
| Tue, 11 Aug 2026 | ¥8,921,107 | +¥6,643 | 0.07% |
| Mon, 10 Aug 2026 | ¥8,914,464 | — | — |
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Platinum rate in Tomakomai — questions
What is the platinum rate in Tomakomai today?
The platinum rate in Tomakomai today is ¥9,642,645 per kilogram for 24K, and ¥9,642,645 per kilogram for 24K. These are live figures converted from international spot at the current JPY exchange rate.
What is the price of 1 gram of gold in Tomakomai?
One gram of 24K platinum costs ¥9,643 in Tomakomai, and 22K costs ¥8,839 per gram. 18K works out at ¥7,232.
Why is 22K cheaper than 24K in Tomakomai?
22K gold is 91.67% pure — 22 parts gold to 24 — so it contains less gold by weight than 24K, which is 99.9% pure. That is why 22K is ¥803.55 less per gram here. The alloy makes it harder, which is why jewellery is usually 22K or below.
Is the gold rate in Tomakomai different from other cities?
The underlying metal price is identical everywhere in Japan — gold trades in one global market and converts at one exchange rate. What differs city to city is the retail markup: making charges, wastage and the jeweller's own premium. Those are set by each shop, not by the market.
How often does this rate update?
The spot price refreshes continuously through the trading day and this page reflects the latest reading, last confirmed 11 seconds ago. Exchange rates refresh alongside it.