It seems like you're referring to the price of gold, denoted in a specific currency, but you haven't specified the currency、Assuming you're talking about gold prices in a general sense or perhaps in a specific currency (like USD, which is common for gold prices), I'll provide some context.

As of my last update in early 2023, the price of gold was fluctuating around $1,800 to $2,000 per ounce in US dollars、However, without a specific date or currency, it's challenging to provide a precise answer related to 2800 in the context of gold prices.

If you're referring to a specific gold price of $2,800 per ounce or another measurement, here are a few things to consider:

1、Gold Price Fluctuations: Gold prices fluctuate constantly due to various factors including market demand, economic conditions, geopolitical events, and currency movements.

2、Measurement Unit: Gold is often priced per troy ounce, which is a unit of mass used for precious metals、One troy ounce is approximately 31.1 grams.

3、Currency: Gold prices are quoted in different currencies around the world, such as US Dollars (USD), Euros (EUR), Japanese Yen (JPY), and others、The price can vary slightly depending on the currency due to exchange rates.

4、Investment and Market Analysis: If you're considering investing in gold or analyzing its price, it's essential to keep an eye on current market trends, forecasts, and significant events that could influence its price.

If you could provide more details or clarify what you mean by 2800金价, I'd be more than happy to assist you further!