The price of gold is calculated by weight, and there are several weighing methods in the precious metals and gems market. The most commonly used system is the troy system, and one troy ounce is about 31.10g; An ounce is about 28.35 grams. This price is the dollar price per ounce of gold. The rise in the price of gold will affect the currency prices of some countries.
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shopping guide
First of all, we must choose a brand enterprise with good reputation, and never choose a brand-free manufacturer for cheap. The price of gold is relatively transparent, so beware of those that are obviously lower than the market price; Secondly, when buying gold products, remember to ask for invoices, which is the core of protecting consumers' rights and interests;
If in doubt, it can be detected in time. The gold jewelry testing institutions under the national technical supervision department are located in major cities, which makes it easier to detect the composition of gold jewelry. Choose to invest in gold products such as gold bars and nuggets, and choose regular merchants who promise to buy back, and the quality can be guaranteed.