As People magazine reports, Lawrence took Maroney with her to the NY premiere of "The Favourite".
"The ring was very noticeable", according to a source.
The couple got cozy during a date on Saturday in New York City.
Page Six broke the news that Lawrence started dating the art gallerist back in June after being introduced by pal Laura Simpson.
Academy confirms Oscars will not have a host
She added the Oscar nominee luncheon on Tuesday "was a very exciting room to be in". "People really care", she said. The 2019 Academy Awards may still lack a host, but the show just announced plenty of presenters.
She also starred in the 2012 comedy-drama Silver Linings Playbook alongside actor and filmmaker Bradley Cooper. "She was wearing a cute black dress with white polka dots", an eyewitness told the outlet.
Before Maroney, Lawrence was involved with Darren Aronofsky, who directed her in 2017's mother! But while they've been photographed together on several dates since then, we haven't really heard a lot from Lawrence about her beautifully blossoming romance. She performed in three movies a year between 2011 and 2016.
On the work front, Jennifer has most recently filmed the latest installment of X-Men, titled Dark Phoenix, which is now in post-production. She was previously linked to Coldplay star Chris Martin and X-Men star Nicholas Hoult.
When asked about her romance with the singer, she said: "I'm not going to talk about it" before adding: "But I am very happy".