As his wife, she was subsequently allowed to use the honorific prefix of Che Puan (literally "Lady") and the style of Yang Berbahagia (translated as "Her Gracious").

[9] On 27 September 2022, she attended a dinner in conjunction with the 8th Asean Traditional Textile Symposium at Istana Negara, with the other royal consorts of the Malaysian States.

[13] On 14 November 2022, she and her husband attended a dinner in conjunction with the 2022 Presentation ceremony of the Association of Administrative Officers (one of the celebrations for the Sultan's birthday) in Kota Bharu.

[14] On 18 April 2023, Sultanah Nur Diana Petra handed over a donation to the Kelantan Police Family Association (PERKEP) in Jalan Bayam, Kota Bharu.

[15] On 6 October 2023, she attended the "2023 Kelantan Flora Festival" in Kota Bharu with Raja Perempuan Tengku Anis and Che Puan Sofie Louise Johansson Petra.

[19] On 25 March 2024, Sultanah Nur Diana Petra presented SSPN savings account donation awards to 50 Kelantanese students at Perdana Hotel, Kota Bharu.