G# Dim Chord on Octave Mandolin

How to play the G# Dim chord on Octave Mandolin: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.

The G# Dim chord is a diminished chord built from stacked minor thirds, often used as a passing or leading chord. It is built from the notes G#, B, D. This page shows how to play G# Dim on Octave Mandolin with clear fretboard diagrams and suggested finger positions.

The shape nearest the nut leaves the D string open and takes the rest at fret 1, reaching across 4 frets. G# falls on the G string. It sounds from G#2 up to G#4.

Octave Mandolin is strung in four courses of two, so each stopped note here sounds as two — which is why the shape rings thicker than the same grip on a single-strung instrument.

Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on G# or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.