You definitely could be very diced at 175 and 5 10. It would be hard to look round and full without hormones though.
Very few naturals have the genetic muscle shape to LOOK like they weigh more than what they are. Hormones would help make you look bigger due to holding more glycogen in muscle cells + building muscles while stripping BF%.
BUt for the sake of being cut up,,,, dont use hormones. If you want to look impressive in clothing and not just shirtless at the pool --hormones help do that.
-Matt