黄金跌价，2025年09月17日，国内黄金最新价格、足金纯金最新价格

Core Insights - The article discusses the fluctuations in gold prices on September 17, 2025, and the underlying factors influencing these changes [1] - It highlights the complexity of gold jewelry pricing, which includes not only the base gold price but also craftsmanship and brand value [2] - The article explains the different purity classifications of gold, including terms like "万足金" (AU999.9), "足金" (AU999), and "千足金" (AU999) [3][4][5][6] Price Analysis - The latest reference prices for various purities of gold in the domestic market on September 17, 2025, are as follows: - Domestic foot gold (足金) latest recovery price: 827.00 CNY per gram [11] - Domestic gold 9995 latest price: 827.15 CNY per gram [11] - Domestic 9999 thousand-foot gold latest price: 838.80 CNY per gram [11] - Domestic gold 9999 latest price: 836.30 CNY per gram [11] - The prices for 10 grams and 100 grams of these gold types are also provided, indicating a structured pricing model based on weight [11] Purity Classification - The article clarifies the definitions and classifications of pure gold, emphasizing that "足金" (foot gold) has a minimum gold content of 99% and includes higher purity categories like "千足金" (999.9%) and "万足金" (999.99%) [5][6] - It also explains the two common labeling methods for 24K gold, which represent the highest purity levels [9][10]