So David gave Ornan six hundred shekels of gold by weight for the place.
1 Chronicles 21:25
Surrounding context
21:24 Then King David said to Ornan, "No, but I will surely buy it for the full price, for I will not take what is yours for the LORD, nor offer burnt offerings with that which costs me nothing."
21:25 So David gave Ornan six hundred shekels of gold by weight for the place.
21:26 And David built there an altar to the LORD, and offered burnt offerings and peace offerings, and called on the LORD; and He answered him from heaven by fire on the altar of burnt offering.