The article provides information on a brownish green cabochon set in a ring with numerous near-colorless round and marquise brilliant cut accent stones examined by Gemological Institute of America's (GIA's) laboratory in Tokyo, Japan. Topics discussed include pleochroism and a spot refractive index (RI) reading shown by the center stone, obvious color zoning seen in this stone, and features that typically cause chatoyancy in cat's-eye chrysoberyl.