GNGJewel Mothers Ring 3 or 4 Birthstones 10k White or Yellow Gold Customizable with 3 OR 4 birthstones of your choice, 2.5mm round each Ring and stone appear larger in the photos. Each Stone's diameter is about 2.5mm or 0.1" 10k Solid Gold with 10k stamp on the inner ring. Leatherette ring box Great family mother ring for any occasion.