18K gold price in Brazil today
On November 5, 2026, 18K gold in Brazil costs 545,27 BRL per gram and 16.959,66 BRL per troy ounce, based on the live international spot price.
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18K gold price in BRL by weight
| Weight | Spot value | Buy (bid) | Sell (ask) |
|---|---|---|---|
| 1 g | 545,27 | 534,36 | 556,17 |
| 5 g | 2.726,33 | 2.671,80 | 2.780,86 |
| 8 g | 4.362,13 | 4.274,88 | 4.449,37 |
| 10 g | 5.452,66 | 5.343,60 | 5.561,71 |
| Troy ounce | 16.959,66 | 16.620,47 | 17.298,85 |
| Tola | 6.359,87 | 6.232,68 | 6.487,07 |
| Kilogram | 545.266 | 534.360 | 556.171 |
What is 18K gold?
18K gold is 75% pure (hallmark 750). It is the usual fine-jewelry standard in Europe and Latin America and the base for most white and rose gold.
The 18K price is calculated as the 24K price multiplied by 0.75. Today that gives 727.02 × 0.75 = 545,27 BRL per gram.
Quick calculator
BRL exchange rate
| 1 USD | 5,4687 BRL |
|---|---|
| 1 EUR | 6,1452 BRL |
| 1 GBP | 7,3670 BRL |
Gold spot price trend (USD/oz)
How the gold price in Brazil is calculated
We take the live spot price of 4,135.00 USD per troy ounce, divide it by 31.1035 to get 132.94 USD per gram of pure gold, and multiply by today’s exchange rate of 5,4687 BRL per dollar. That gives 727,02 BRL per gram for 24K. Lower karats are priced by their gold content.
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 Brazil
24K gold22K gold21K gold18K gold14K gold10K gold9K gold Per gramPer troy ouncePer tolaPer kilogram
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