Fairy mermaid jadeite abalone and pearl pendant and chain in gold over sterling

This necklace is in excellent pre owned condition showing little to no signs of wear.  This looks to be a mermaid fairy adorned with abalone , lavender jadeite , cultured pearl , a tiny blue accent stone that’s most likely zircon as well as tiny white accent stones. Set in 18k yellow gold plated over sterling silver. Measures just over 16 inches in length. Lavender jadeite is most likely dyed and treated.