To find an equivalent, you'd need to specify:
* The specific instrument: A diploma in piano is not directly comparable to a diploma in violin.
* The specific diploma level: AMusLCM encompasses various levels of accomplishment.
* The intended use: Are you looking for an equivalent for university admission, professional recognition, or personal achievement?
Different countries and institutions have their own comparable qualifications. For example, a similar level of achievement might be represented by:
* Other ABRSM/LCM diplomas: The level might correspond to a higher grade or a different diploma within the ABRSM/LCM system.
* Diplomas from other awarding bodies: Many other conservatoires and examination boards (e.g., Trinity College London, Royal Conservatory of Music) offer diplomas at comparable levels, although a direct translation isn't always simple.
* University degrees: Depending on the level of the AMusLCM, it could be roughly comparable to a bachelor's degree or even a master's degree in music performance from some institutions.
In short, there's no single answer. To find a suitable equivalent, you need to provide more detail and specify the context in which you need the equivalent qualification.