Ross-Simons - .10 Carat Emerald Ring in 14kt Yellow Gold. Size 8. RS Pure. Create the perfect stackable look with delicate, modern jewelry. This dainty emerald ring will be your new favorite accessory. It features a .10 carat emerald on a simple 14kt yellow gold band. 1/8" wide. Emerald ring. Emerald birthstones are the perfect gift for May birthdays.