Modernist Signet Ring - Round and SquareS H KOH signet ring designs reflect the 20th century modernist art with geometric stone shapes as basic as rounds, squares and triangles. This ring is made in 14k Yellow gold with 3mm Square Aquamarine, 3 mm round Pink Tourmaline with shiny finish. Please, specify your finger size. (Please, look at our 'Ring Sizing Guide' page for your information.) If you need to resize the ring size, we need 1 extra day before shipping. Size 6 is available.