[3] Her music and visual art employs an aesthetic of hyperreality and heavily produced cuteness in tension with sincerity.

[8] The attention received by "Pink and Blue" helped to introduce the fledgling label,[9] and it placed 5th on Fact's list of "The 100 best tracks of the decade so far".

[17] March 2015 saw Diamond head to the US to play the PC Music showcase at the Empire Garage in Austin, Texas as part of SXSW.

After having the resources to produce her first music video, she selected "Hi" as a "way of tying up my older material, and a good way of introducing my next phase".

[28][29] On 13 December 2017, she released a new mix, Soon I won't see you at all, which contains three new tracks, one of which is a cover of "Concrete Angel" by Gareth Emery.

In 2020, Diamond featured on the remix for 100 gecs' "xXXi_wud_nvrstøp_ÜXXx" alongside Estonian rapper Tommy Cash, and appeared on A. G. Cook's two 2020 albums 7G and Apple.

She appeared on labelmate Namasenda's debut Unlimited Ammo mixtape in October 2021, and designed much of the project's single and album artwork.

[38] The announcement was met with accusations that Diamond copied Swedish singer Zara Larsson's cover art for the album of the same name.

[39] Diamond addressed this, stating that "there is no joy to be found in using someone else's experience", and affirmed the legacy and influence her own photography and art from PC Music have had on culture.

[40] Perfect Picture marked a departure from the hopeless sound presented on Reflections, with Pitchfork author Peyton Toups writing "As Diamond steers away from the icy, sad-girl trappings of her earlier work, she morphs into a more upbeat, motivational pop star".

[41] Growing up, Diamond followed the work of fashion photographers such as Mert and Marcus, David LaChapelle, and Nick Knight.

[42] She is a member of Diamond Wright, which has made promotional images for QT, latex clothing brand Meat, and PC Music artist Princess Bambi.

[43] Before the founding of PC Music, Diamond worked with Cook on marketing material for makeup brand Illamasqua.

[5][47] January 2016 saw Diamond feature on the cover of OKgrl, a new online platform created by stylist Louby Mcloughlin & DVTK, the ex digital directors of fashion brand Kenzo.

[48] Diamond has also spent time designing typefaces, including a new font which was featured in the lyric video for her song, "True".