The personalized 6 stone silver infinity birthstone ring makes the great gift for any mother or grandmother. It has six 1/4 inch birthstones that you can select to sit in the middle of the infinity symbol. Pick six cubic zirconias to represent family members or siblings. At around 1/4 inches wide, it's light and comfortable to wear for long periods of time. You'll only notice it when you think loving on your family member's birthdays.