Luxe Sienna Halo Diamond Engagement Ring - 18K White Gold. Elegant French pavé-set diamonds form a stunning halo, surrounding the center gem in a ring of brilliant light. Dazzling diamond accents adorn the band and gallery for a truly glamorous effect. Our unique engagement rings are hand-crafted to order using eco-friendly recycled metals. Our beyond conflict free diamonds are guaranteed to originate from ethical and environmentally responsible sources.