Band one-of-a-kind bi-color amethyst necklaceDescription 10k yellow gold bi color amethyst necklace. This necklace has a silicon adjuster at the back which allows you to shorten it to the length you desire to fit your look of the day. Band collection from Januka uses their proprietary setting method which tactfully carves each stone, so the gold sinks perfectly into the stone to form this floating setting. This setting can only be done by a very specific few Japanese craftsmen, making this a