Christian Serratos and her boyfriend of 10 years, singer-songwriter David Boyd, 36, are engaged. The Walking Dead star, 33. took to Instagram to share photos from the night Boyd proposed.

A rare 10-carat pink diamond with royal ties, the Marie-Thérèse Pink Diamond, will be displayed at Christie's Auction House in New York City prior to being auctioned off.

Marie Antoinette's rare diamond captures attention as it travels the globe 00:31. A large pink diamond believed to have been passed down from France's Queen Marie Antoinette to her daughter is ...

A 10-carat diamond once owned by Marie Antoinette is up for sale. Christie's will auction it off as part of their Magnificent Jewels event. The rare pink stone was first sold in 1996.