Ross-Simons - .10ct t. w. Garnet, Red Enamel Ring in 18kt Gold Over Sterling. Size 5. An RS exclusive. A touch of vibrant color will have noticeable impact on your whole outfit! This stack-ready ring features a band of red enamel stationed with .10 ct. t. w. round garnet trios. Crafted in 18kt yellow gold over sterling silver. 1/8" wide. Garnet and red enamel ring. Garnet birthstones are the perfect gift for January birthdays.