Question: what celebrity has the most expensive jewelry?
Answer: Charlize Theron doubled her diamond bracelets at the 2013 Academy Awards. ... 
Isla Fisher arrived at the 2019 Golden Globes sparkling in more than $5.5 million worth of Harry Winston diamonds. ... 
In a sea of dazzling diamonds, Lady Gaga's emerald-cut Lorraine Schwartz earrings stood out at the 2016 Academy Awards.