Blue diamonds are among the most desirable in the world, so it's fitting that Tangela B. Gaynor has named her spa after the precious gemstone. The licensed cosmetologist and massage therapist ensures that each of her clients feels flawless inside and out, whether she's soothing away tension with aromatherapy massages, applying natural-looking eyelash extensions, or imbuing skin with a richly bronze hue courtesy of a spray tan.