On December 13/14, 2011 Elizabeth Taylor's complete jewellery collection was auctioned by Christie's. Several ruby-set pieces were included in the sale, notably a ring set with an 8.24 ct gem that broke the 'price-per-carat' record for rubies ($512,925 per carat, i.e. over $4.2 million in total),and a necklace that sold for over $3.7 million.
The Liberty Bell Ruby is the largest mined ruby in the world. It was stolen in a heist in 2011.