Sterling silver necklace the rhomboid-shaped green amethyst

Unique and original! Sterling Silver 925. Linked chain measures approx 18.5" in length and 2/8" width. Three links to shorten (bracelet or anklet size) the length of chain--1st link is 3/4", 2nd is 1.5", and 3rd is 2 5/8" from clasp. Green accent stone is approx 1/4" x 1/4" at its widest.