The tenderloin is the most tender cut of beef, making it one of the more desirable cuts. This, combined with the small amount given by any one steer or heifer (no more than 500 grams), makes filet mignon generally the most expensive cut. Because the muscle is not weight-bearing, it contains less connective tissue than other cuts, and so is more tender. Price per kilogram 565.00 p/kg. The whole primal price is R600.95 p/kg.