Cost an arm and a leg or Cost an eye and an ear

Cost an arm and a leg/ an eye and an ear
very expensive. ថ្លៃយ៉ាងខ្លាំង

Example:

• A: Wow! I love your ring. Are they real diamonds?
• B: Yeah sure!, Piseth bought it for me yesterday, and he asked me to marry him.
• A: Really? I bet it cost an arm and a leg.