Beautiful Adjustable Yellow Cluster Statement Necklace 20.5" Silver Tone Chain

Beautiful pre-loved adjustable necklace , not signed. One of the beads has a tiny dot on it, please see photo with an arrow. Necklace is approx 20.5" long and this includes the extender piece. Perfect spring , summer necklace. This necklace has multifaceted beads that are either crystal or glass. Yellow beads are some sort of hard plastic, lucite? Please see all the photos.