Size: Approx. size: 11 - Band: 1 Inch Front of Ring Measures 2 Inches H x 2 Inches W not including the dangles. Each Dangle with ring attachment is 1+ Inches.
Age: Early to mid 20th Century.
Metal is probably a pot metal alloy called gillett. There are four main stones colored red, green & blue. and three smaller stones on either side of the band colored red, green & blue.
Condition: Good. The stones show some wear consistent with age.