Round and square black stone necklace and you need Sliver setting stretchy. One size fits most wrist.
Paparazzi Jewelry & Accessories are always lead free and nickel free.
Complete the Look:
https://jeanettesjewelrychest.com/collections/necklaces/products/after-party-posh-black
https://jeanettesjewelrychest.com/collections/rings/products/burn-bright-black