Cluster Rings

 Cluster Ring
9ct rose Gold set with cognac Diamonds.
 http://www.zoeandmorgan.com/Rings/c4/index.html

Cluster rings ia group of stones in a setting, with many gemstones, that maybe of similar or different size and colours. Sometimes it contains a larger central stone, surrounded by a number of small stones. The central setting forms the focal point of the stone.

                                                                  http://www.curtparker.com/usefulinfo/usefuInfo2.htm

Cluster Ring 

 Ruby, Diamond and white gold 

 http://www.1stdibs.com/jewelry/rings/cluster-rings/ruby-diamond-cluster-ring/id-j_73209/