Mermaid Pendant Playful. Our first mermaid pendant from our newest design is crafted in solid 14k yellow gold . It measures 1 inch from the end of the tail to the bottom and 1 inch across from the chest area.All details are on the front.The back is plain shiny high polish with no detail so it lays flat. It weighs 5.30 grams of solid gold. This mermaid pendant shows very stunning.It really makes a statement.