Gemma Collection OTGEMMA AUVBK Ottoman in Black Velvet and Gold. Gemma Collection OT-GEMMA AUVBK Add a pop of glamour to your home with the sleek design of the Gemma Ottoman by LumiSource. Featuring a luxuriously soft cushioned velvet upholstery and chic cinched gold metal band. Available in a variety of upholster... - Gemma Collection OTGEMMA AUVBK Ottoman in Black Velvet and Gold.