From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a Ruby design, as well as create a vintage or antique look. Gem of hot summer nights and steamy red sunsets, ruby is the birthstone of July. Show the world the passions within you with a fiery ruby ring. One of the oldest gemstones in history, garnet is the birthstone of January. Garnet rings have been popular since Victorian times, and are treasured for their deep red color.