ג Gimel - gematria value 3
ג is another consonant that is part of begadkephat consonants. These are consonants that may have 2 phonetic values, both of which are represented by the same alphabet symbol though.
In its regular pronunciation it sounds exactly like G in Garden.
In Modern Hebrew ג is always pronounced as G.
But in Aramaic it has 2 phonetic values: G, and depending on the surrounding word context it may also be pronounced as described here (Voiced velar fricative - Wikipedia)
If you always pronounce it as G, you will be understood for sure, in both Modern Hebrew and Aramaic.
ג is an easy consonant to master, as its pronunciation is exactly like G in many contemporary languages.