From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

From Jennifer Lopez's pink engagement ring to Kim Kardashian's 15-carat stunner, read on for a roundup of some of the most expensive celebrity rings of all time.

This $500,000 heirloom might not be the most expensive ... oval-cut diamond set in 18-carat rose gold was made by the celebrity favorite, Lorraine Schwartz. The beautiful ring was given to her ...

Size isn’t everything—but the most expensive ... in the engagement ring trend cycle. The seven-carat oval-cut light pink stone set in a rose gold pavé diamond band was designed by jeweler ...

There's no engagement ring more classic than a diamond engagement ring. They've stood the test of time as one of the most popular ... 18k white gold, 18k yellow gold and 14k rose gold.

Jewelry specialist Anya Walsh at 77 Diamonds analyzed some of the most popular engagement rings for the Daily Mail—and the most expensive on the list probably won't surprise you. Princess Diana ...

Size isn’t everything—but the most expensive celebrity engagement ... Andrew Toth/FilmMagic Lively’s ring from Ryan Reynolds isn’t just gigantic in scale, it was monumental in the engagement ring ...