Kay Jewelers Black Diamond Ring 1/3 ct tw Baguette-cut 10K White Gold- Ladies' Diamond Fashion: Brilliant white diamonds sweep through the center of this distinctive ring for her. Appealing Artistry Black Diamonds™ dance on each side for added flair. Set in 10K white gold, this fine jewelry ring contains a total diamond weight of 1/3 carat. Black diamonds are treated to permanently create the intense black color. Available online while supplies last.