For more wedding-related figures, see “We’re With the Band.”

1. The average cost of an engagement ring is $5,200.

2. It takes grooms an average of three months to find an engagement ring.

3. The most popular diamond shape is round, followed by princess.

4. The most popular engagement ring metal is white gold.

5. The average bride’s wedding band costs brides $1,126. Groom’s: $491.