Cushion Square Amethyst And Diamond Gold Plated Halo Trio Ring, Designed to make you feel special every time you wear it. The ring features a central cushion-cut amethyst gemstone surrounded by a halo of smaller diamonds. The band of the ring is made of 14k yellow gold and is also adorned with diamonds. Amethyst is a purple variety of quartz and is often used in jewelry. Diamonds are a popular choice for engagement rings and other fine jewelry due to their brilliance and durability. Yellow gold is a classic metal choice for jewelry and complements the purple of the amethyst and the sparkle of the diamonds.