Sice the early 1900's, art-deco has been a prominent design style. In fashion, architecture, and visual design, art-deco is a lasting inspiration to artists off all types. These Ruby designs capture the elements of the art-deco trend and turn you into a work of art. 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. Sapphire is the birthstone of September, and one of the most popular gemstones on the jewelry scene today. The deep blue color of a sapphire ring is just right for an evening out.