Most Expensive Red Carpet Jewelry of All Time

26. Carrie Underwood’s Diamond Necklace

Designer: Jonathan Arndt
Event: 2013 Grammys
Worth: $31 million*

Superstar designer Jonathan Arndt outdid himself, if you can believe it, when it came to this sparkler that Carrie Underwood wore to the 2013 Grammys. Worth a whopping $31 million, the songstress showcased it onstage when she went to pick up her award for the single “Blown Away.”

Carrie Underwood's Diamond Necklace ©DFree / Shutterstock.com


Carrie Underwood’s Diamond Necklace ©DFree / Shutterstock.com

The Arndt piece had 381 carats of some of the most valuable materials on earth, including oval-cut, pear-cut, marquise, and round-cut brilliant white diamonds. Underwood paired the necklace with a black, strapless Roberto Cavalli gown, which itself was likely worth thousands. This wasn’t the first time Underwood wore an Arndt necklace—she collaborated with the designer on a drop necklace she wore at the 2016 Grammys.