There are few things more beautiful than a tanzanite stone, and this ring 14 K. Solid Gold Solitaire Ring with Natural Tanzanite contains one. This lovely tanzanite is 5mm in width, and 0.65 carats. It's a great size for wearing daily, and doesn't get in the way of daily activities. The solid gold band is available in all sizes from 5 to 11, so no one is excluded. Each ring also comes in yellow, white or rose gold. You simply choose the metal type you prefer at checkout. This ring makes a beautiful and unforgettable gift for someone you love. It is sure to impress!