This is Samual Benham cable wire open bangle/cuff with amethyst cobochon main cuff, maybe peridod, pink tourmaline and citrine. As they appear purple, pink, yellow and pale green stones.
Stamped 14k gold end and 925 sterling silver.
Made in Italy

Design: Features the signature "cable" twisted wire motif and a cuff-style open.
I’m a size 7 and fits perfect
Please refer to pictures, there a very tiny dings and the silver area.
I’m not an expert, this was a present and it’s not really my style.