Browse our diverse collection of unique Lab Ruby rings in your choice of white, yellow, or rose gold. From engagment rings to men's rings, from elaborate works or art, to simple and elegant designs, our 14K gold rings are unmatched in quality, beauty and price. 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. The birthstone of December, the intense deep blue color of a london blue topaz ring can evoke thoughts of warm Caribbean nights.