This page collects the most common chords that begin with G, with clear diagrams for both guitar and piano. Use it as a quick reference to find the shape you need, from simple triads to extended and altered variations.
G
Chords that start with the letter
G Major
G - B - D
G minor
G - B♭ - D
G7
G - B - D - F
Gm7
G - B♭ - D - F
Gmaj7
G - B - D - G♭
Gdim
G - B♭ - D♭
Gdim7
G - B♭ - D♭ - E
Gaug
G - B - D#