Question: how much gold in 23 carat?
Answer: The number '916' is actually used to denote the purity of gold in the final product, which means 91.6 grams of pure gold in 100 gram of alloy. The figure 916 is thus 22 carat by 24 carat (22/24). Similarly, 958 gold is 23 carats (23/24) and 750 gold is 18 carats (18/24).