In 2002, Ben Affleck proposed to Jennifer Lopez with a 6.1-carat pink diamond ring that reportedly cost $2.5 million. The same size ring, in morganite, is on sale for about $1,799 on Etsy.

One of the rarest pink diamonds in the world -- the 14.93 Fancy Vivid "The Pink Promise Diamond" sold at Christie's Magnificent Jewels Hong Kong auction for an incredible price of nearly $32 million.

Most expensive celebrity engagement rings: Jennifer Lopez got a dazzling pink diamond from Ben Affleck, while Kate Middleton inherited Princess Diana’s sapphire stone STORY Luxurylaunches ...