The G1 would be 52 degrees, which is the loft a pitching wedge was when we began the game.
The G2 would be 48 degrees, which is the loft a nine iron was when we began the game.
So your 53 would be the G1, and your 48 would be the G2. Can't help but notice that since your pitching wedge is 43 degrees, instead of 44 degrees, it will only be a matter of time before we will need to buy G3 wedges.
When I began the game, I could hit the 7 iron very well. With a set like yours I would begin to struggle with the 7 iron due to lack of loft. You think maybe club manufacturers are destroying the game?