The mermaid designer is Alaskan and Balinese artists carve bone into a 2 1/2 inch mermaid with dolphin.  She was beautiful wavy hair and her mermaid tale is curved up to hold the dolphin.  Rondelle blue larimar beads with sterling silver lobster clasp and chain is adjustable from 18-19 inches. Larimar comes from the Dominican Republic and is mined out.  Small releases of larimar for sale ensure its value, something like diamond sales!  

Mermaid and Dolphin with Larimar