View our Selection of Unique Classic Multi-Stone Engagement Rings. Each is made to order for you by its designer. Multi-stone engagement rings have a center diamond flanked by large accent stones. Whether a three or five stone ring, each diamond holds special meaning. Chic and still traditional, multi-stone rings are utterly celebrational. Classic-style pieces are aspirational silhouettes evoking time-honored tradition and displaying painstaking craftsmanship. Each fine detail is simple and perfect in its form.