This is a replica of the diamond horseshoe necklace worn by Sarah Jessica Parker - Carrie - on "Sex and the City". It is available in 3 sizes: .25 total carat weight is 7/16" wide, and comes on an 18" chain. The .50 carat pendant is 1/2" wide, on an 18" chain, and the 1.0 carat size is 3/4" wide, and comes on a 17" chain. Diamonds are G-H color, SI-1 clarity.