Amazon has this Diono Radian R100 All-In-One Convertible Car Seat on sale for $176.24 with free shipping. This is the lowest price we have seen on Amazon. According to the Amazon tracker we use, the average price is usually around $217 for this Diono car seat.
This is a one of the safest convertible car seat. It is on our list of top convertible car seats 2018, where you can also read our Diono Radian R100 review.
This all-in-one car seat fits your infants in extended rear-facing position from 5-45 lbs, forward-facing from 20-80 lbs in a 5-point harness, and booster up to 120 lbs.