2.5ct Rose Goldtone and Oval Champagne CZ Engagement Ring Go grand in an elegant way with Carly's 2.5ct Rose Gold Tone and Oval Champagne CZ Engagement Ring. The .925 sterling silver, rose Gold tone ring features a split band design connecting to a luxurious-looking champagne CZ measuring 2.54-carats. In addition to the soft and rich champagne center stone, petite size clear CZ stones surround the center creating a halo-effect. Bask in the brilliance of CZ with the richness of this engagement ring. No one has to know it's not real!