Celebrity Mariah Carey Hilariously Jokes About Her 35-Carat Diamond Engagement Ring: 'It's So Heavy, I Can't Lift My Arm!' The 35-carat diamond rock outweighs Beyonce and Kim Kardashian's engagement rings combined. By Karen Mizoguchi Published on January 29, 2016 10:25 PM Share Tweet Pin Email Photo: 247PAPS.TV/Splash News Online Mariah Carey has a massive diamond on her ring finger. So huge, in fact, the 35-carat rock is the biggest celebrity engagement ring ever. “It’s so heavy I can’t lift my arm up!” Carey joked when she spoke about her engagement to billionaire James Packer with E! News on Friday, just one day after they made their first public appearance as an engaged couple. The proposal took place in the singer’s hometown of New York City on Jan. 21. “It was very romantic,” Carey said about how Packer popped the question. “He’s an exceptional person and really… it gets more romantic by the day, so it’s very sweet.” Fun fact: Packer’s emerald-cut diamond center stone – designed by Wilfredo Rosado – is more than twice the weight of the 17-carat emerald-cut pink diamond Carey received from ex-husband Nick Cannon in 2008. As for wedding planning, the mother of two has yet to make any decisions. It’s only been a week, after all. But Carey explained that she knows she wants the nuptials to happen “somewhat soon” and the joyous affair won’t be over-the-top. “We are not doing a big wedding because he did two big weddings, and it’s kind of like, ‘I’ve done a big wedding [too],'” she clarified. “We would rather make it beautiful but humble.” This will be the third marriage for Carey, who was also previously married to music executive Tommy Mottola. Packer has three young children with his ex-wife Erica Baxter.