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 London Topaz designs capture the elements of the art-deco trend and turn you into a work of art. The birthstone of December, the intense deep blue color of a london blue topaz ring can evoke thoughts of warm Caribbean nights. 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.