Gorgeous 14K pink gold cabochon amethyst and diamond Designer Ring. This color-stone ring features a huge natural cabochon amethyst in the center measuring about 9/16 of an inch across with an astonishing weight of 18.03 carats, surrounded by diamonds. Total diamond weight is 0.65 of a carat. The ring weighs 10 grams. It is a size 6.5. Sizing is available for an additional fee.