Gold prices vary based on purity, weight, and market conditions. Saudi Gold Sets Prices, a provider of gold products, offers various gold designs in 18K, 21K, 22K, and 24K purity, with prices quoted per gram. Money Metals Exchange sells 1-gram 24K gold bars, while Tanishq offers pure gold coins ranging from 1 gram to 250 grams. The per-gram price of gold fluctuates daily, influenced by factors such as supply and demand, economic indicators, and geopolitical events.