If both have 30 mm main tubes, 3-12 x 50 should be in the $800-$1000 range. If you can get the 6-24 x 50 for less than $1200 you are doing well.

Both excellent scopes, and better than anything Swaro makes today below the Z5 series because of the tube diameter, again, if they are 30 mm. If they are 1" tubes, price should go down 10-15%.