She first sang with the National Theatre Opera Company in 1952 in The Consul.
She had further study in Paris with Dominique Modesti.
She made her Royal Opera, Covent Garden debut in 1957 as Ulrica in Verdi's Un ballo in maschera, and was principal contralto at Covent Garden from 1957 to 1959.
She appeared there in Elektra, Les Troyens, The Tales of Hoffmann, Dialogues of the Carmelites, Handel's Samson, Die WalkĂĽre, Lucia di Lammermoor, and Rigoletto.
She also appeared as Mrs Sedley in Benjamin Britten's Peter Grimes, and in the Decca recording conducted by the composer.She toured Israel in 1958 for the 10th anniversary of the State of Israel, appearing with the Israel Philharmonic Orchestra, in nine performances of Beethoven's Ninth Symphony conducted by Rafael KubelĂk.
In 1958 she married Graeme de Graaff, and they have one daughter, the clarinetist Deborah de Graaff.
Lauris Elms presented lieder recitals with Musica Viva Australia and the ABC throughout Australia between 1960 and 1970.
In 1961 she was a soloist in Dvorák's Stabat Mater with the South Australian Symphony Orchestra under Karel Ancerl.
Amongst the other soloists was Arnold Matters.In 1965, she sang with the Sutherland–Williamson Opera Company and then with the Australian Elizabethan Theatre Trust and the Australian Opera from 1966 to 1987.
She was much praised for her Arsace in Semiramide in 1965, Azucena (Verdi's Il trovatore) opposite Donald Smith and Elizabeth Fretwell and later with Kenneth Collins and Joan Sutherland in the Moshinsky/Nolan production.
Between 1958 and 1973 she sang in five Royal Command performances.
In 1970 she sang in Verdi's Requiem with an all-Australian cast of soloists, at the Royal Festival Hall, London, conducted by Charles Mackerras, marking the 200th anniversary of James Cook's charting of the east coast of Australia.
In 1973 she sang at the openings of the Adelaide Festival Theatre and the Sydney Opera House, and she appeared in the inaugural opera season at the latter venue in all three parts of Puccini's Il trittico.