18-karat rose, white, or yellow gold; 16"-18" chains. Pave diamonds; total carat weight will vary by letter. A, D, E, F, G, H, O, R, U, X ,Z: 0. 06 carats. B, M, Q, W: 0. 08 carats. C, K, P, S, V: 0. 05 carats. I and L: 0. 03 carats. J, T, Y: 0. 04 carats. N: 0. 07 carats. Lobster clasp. 16"L to 18"L.