Ruby Cluster CharmA 64mm oval ruby CZ with six white CZ rounds at 1. 5mm in a 2010mm 925 sterling silver cluster setting the Ruby Cluster is the full halo treatment for the red stone. The white CZ surround amplifies the ruby's red by contrast, making the central stone appear more saturated than it would in isolation. At 1g, a balanced charm weight for a cluster of this stone count. The setting is clean and precise, with the CZ halo placed close to the ruby to create a