how many carats in engagement ring?
<answer> 1 carat and including any diamonds on the setting is 2 carats. <context> The average carat size for the center stone is just over 1 carat. The average total carat size for engagement rings, including any diamonds on the setting, is 2 carats, Miles said. 3. Weigh payment options. You've had a look at the setting and diamonds (or other gemstones) that your beloved covets, and figured out which merchants offer the best price.