The Gold Price UK fix of the day determines the UK gold price per gram Calculator. Different Karat of gold has a different percentage of gold in them, which determines the gold price per gram, depending on the Karat of gold. Few of the popular Karat and how to determine the price are listed below. Our UK Gold price per gram calculator use the live UK Gold market price. Just enter the grams in the right Karat section and the calculator will give you the value of the gold when you come for <a href="https://londongoldcentre.co.uk/sell-my-rolex/">Sell Rolex for cash</a> to us.