Upgrade gear?

[Baldurs_Gate_2]

So first i just bought the ~900 to 1000 gold stuff and got the diamonds to 3. So i thought it's pretty simple. After i had enough money, i bought a 5 white diamond sword and for every body part 4 diamond gear, but i am still at 3 diamonds. Should i not be at 4 now?

[medion_no]

Your level is equal to your lowest piece of equipment.