The Institute offers two Graduate Diploma courses:
The Graduate Diploma in Theological Studies consists of four additional subjects (12 credit points), after completion of the four subjects of the Graduate Certificate in Theological Studies. Minimum duration is one semester (six months) full-time or equivalent part-time. A Graduate Diploma in Theological Studies graduate can articulate into a Master of Arts (Theology) program.
The Graduate Diploma in Theological Studies is organised into the following specialisation streams:
- Marriage and Family
- Bioethics, Theology and Medical Practice
- Religious Education and Catholic School Leadership
- Evangelisation of Culture
- Art, Liturgy and Culture
The Graduate Diploma in Theology of Psychology and Counselling consists of eight subjects (24 credit points). Minimum duration is 12 months full-time or equivalent part-time.