Guitar · diminished
G♯dim Chord on Guitar
G# Diminished is G#, B, D — the 1-b3-b5 pattern of a diminished chord. Here is the shape, the audio, and what usually goes wrong.
There is no open G#dim on guitar — the single shape below is a barre, which is exactly why this chord trips people up. Take it slowly and check every string.
Start here — Movable Root-6 Shape (4th fret)
Barre at fret 4 — harder to hold than an open shape, but movable: slide it and you have every other diminished chord.
What beginners get wrong
Moving in and out of it
G#dim on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Chords next door
Same root, different colour — and all of them playable on guitar.
G#dim on Guitar — questions people ask
What is the easiest way to play G#dim on guitar?
“Movable Root-6 Shape (4th fret)” — which we rate intermediate — is the easiest G#dim shape on guitar. Barre at fret 4 — harder to hold than an open shape, but movable: slide it and you have every other diminished chord. There is no open G#dim on guitar, so a barre is unavoidable; this is the least demanding one.
What notes are in the G# Diminished chord?
G# Diminished is G#, B, D — the 1-b3-b5 interval pattern of a diminished chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of G#dim?
The nearest stand-ins on guitar that keep the same root are G#m, G#m7, G#m6. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play G#dim on other instruments?
Yes. G#dim is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on piano, ukulele, bass, mandolin, banjo.
Learn the theory behind G#dim
The shape gets your fingers there. These explain why it sounds the way it does.
Barre Chords — The Wall Every Guitarist Climbs
This one asks for a barre. The article is the fix for the buzzing and the aching hand.
7 min read
Functional Harmony: Three Roles, One Engine
Diminished chords are almost always doing a job. This explains which one.
6 min read
Cadences — The Four Ways a Phrase Ends
Where all that tension goes — how the chord resolves into the next one.
4 min read