🇸🇹Platinum Rate in Sao Tome and Principe Today
The platinum rate in Sao Tome and Principe today is STN 954.28 per gram for 18K, based on an international spot price of $1,887.00 per troy ounce. That is up STN 28.47 from the previous close.
Platinum rate in Sao Tome and Principe — all karats and weights
| Weight | 24K | 22K | 21K | 18K | 14K |
|---|---|---|---|---|---|
| 1 Gram (1 g) | STN 1,272 | STN 1,166 | STN 1,113 | STN 954.28 | STN 742.22 |
| 1 Troy Ounce (31.1035 g) | STN 39,575 | STN 36,277 | STN 34,628 | STN 29,682 | STN 23,086 |
| 1 Kilogram (1,000 g) | STN 1,272,377 | STN 1,166,345 | STN 1,113,330 | STN 954,282 | STN 742,220 |
All figures in STN (Dobra). Purity follows the karat/24 standard: 22K is 91.67% gold, 21K is 87.5%, 18K is 75%.
Last 10 days · 18K per gram in Sao Tome and Principe
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 STN exchange rate.
| Date | 18K / gram | Change | % |
|---|---|---|---|
| Fri, 21 Aug 2026 | STN 954.43 | +STN 28.47 | 3.07% |
| Thu, 20 Aug 2026 | STN 925.96 | +STN 14.36 | 1.58% |
| Wed, 19 Aug 2026 | STN 911.60 | +STN 38.54 | 4.41% |
| Tue, 18 Aug 2026 | STN 873.06 | -STN 27.87 | -3.09% |
| Mon, 17 Aug 2026 | STN 900.93 | +STN 15.93 | 1.80% |
| Fri, 14 Aug 2026 | STN 885.00 | +STN 12.54 | 1.44% |
| Thu, 13 Aug 2026 | STN 872.46 | -STN 18.15 | -2.04% |
| Wed, 12 Aug 2026 | STN 890.61 | +STN 7.73 | 0.88% |
| Tue, 11 Aug 2026 | STN 882.88 | +STN 0.6600 | 0.07% |
| Mon, 10 Aug 2026 | STN 882.22 | — | — |
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Platinum rate in Sao Tome and Principe — questions
What is the platinum rate in Sao Tome and Principe today?
The platinum rate in Sao Tome and Principe today is STN 954.28 per gram for 18K, and STN 1,272 per gram for 24K. These are live figures converted from international spot at the current STN exchange rate.
What is the price of 1 gram of gold in Sao Tome and Principe?
One gram of 24K platinum costs STN 1,272 in Sao Tome and Principe, and 22K costs STN 1,166 per gram. 18K works out at STN 954.28.
Why is 22K cheaper than 24K in Sao Tome and Principe?
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 STN 106.03 less per gram here. The alloy makes it harder, which is why jewellery is usually 22K or below.
How often does this rate update?
The spot price refreshes continuously through the trading day and this page reflects the latest reading, last confirmed 8 minutes ago. Exchange rates refresh alongside it.