Emma Antique Engagement SetAt 6. 5 total carats of cubic zirconia this antique style engagement set features a feminine shank boasting a 2. 5 carat center stone and small cubic zirconia accenting its shoulders. The center of the ring is a separate band that complements the ring perfectly. Genuine Rhodium Plating is achieved using an electroplating process that coats the item with heavy layers of rhodium a close cousin to platinum which gives our jewelry a platinum luster. Base