a gold (double chain)(A 金色（双链条）) b gold (double chain)(B 金色（双链条）) c gold (double chain)(C 金色（双链条）) d gold (double chain)(D 金色（双链条）) e gold (double chain)(E 金色（双链条）) f gold (double chain)(F 金色（双链条）) g gold (double chain)(G 金色（双链条）) h gold (double chain)(H 金色（双链条）) i gold (double chain)(I 金色（双链条）) j gold (double chain)(J 金色（双链条）) k gold (double chain)(K 金色（双链条）) l gold (double chain)(L 金色（双链条）) m gold (double chain)(M 金色（双链条）) n gold (double chain)(N 金色（双链条）) o gold (double chain)(O 金色（双链条）) p gold (double chain)(P 金色（双链条）) q gold (double chain)(Q 金色（双链条）) r gold (double chain)(R 金色（双链条）) s gold (double chain)(S 金色（双链条）) t gold (double chain)(T 金色（双链条）) u gold (double chain)(U 金色（双链条）) v gold (double chain)(V 金色（双链条）) w gold (double chain)(W 金色（双链条）) x gold (double chain)(X 金色（双链条）) y gold (double chain)(Y 金色（双链条）) z gold (double chain)(Z 金色（双链条）) single chain: 35 + 5cm(单链条：35＋5cm) single: 45+5(单条：45＋5)

18k vacuum plating(18k真空电镀)