Vintage 2.5 Carat Round Cut CZ Heirloom Engagement Ring Give your look a bold makeover with Christina's 2.5 Carat Heirloom Style Round Cut CZ Engagement Ring. The sterling silver vintage-inspired wedding ring is similar to lavish styles you would see in the 20s and 30s. The heirloom style estate ring looks and feels like it's worth a million bucks! Features an impressive 2.5 carat, round cut CZ stone. Clusters of pave set CZs encompass the remainder of the ring over the platinum-looking sterling silver. Take fashion cues from yesteryear by making this vintage style ring your everyday jewelry.