Swiss Blue Topaz & CZ Ring in solid sterling silver. Material: Sterling Silver. Total metal weight: 4.6 gr. Marquise cut Swiss blue topaz (14 x 7 mm) = 2.75 ct total. Round brilliant cut cubic zirconia (1 x 1 mm). Colour: Blue. Stone cut: Marquise Cut. Occasion: Engagement, Wedding, Graduation. Anniversary: 4th Anniversary. Birthstone: November.