how much does the average engagement ring cost
1 On average, the engagement ring cost can be anywhere from as little as $200 to as much as $20,000+. 2  Like any jewelry available out there, the sky is the limit. 3  A quarter carat or less set in a diamond can cost anywhere from $100 to $600. 4  A half carat diamond can cost anywhere from $500 to $1,100.