18K gold is worth about $106.90 per gram at today's spot price. 18K is 75.0% pure gold, so a gram of it contains 0.750 g of gold and the rest is alloy.

A scrap buyer will realistically offer $74.83–$96.21 per gram, because they carry the cost of refining and take a margin.

Weigh it and find out exactly

Enter the weight in grams, ounces, pennyweight or tola and get the 18K value at the live price — or estimate the weight from the ring size if you have no scales.

Open the gold calculator

Other purities