Materials and Dimensions:
Sterling Silver carved taillight signet with nine 2x2mm channel set garnets, 2mm flush set black sapphire and 2mm flush set citrine.
1.3mm Lab Diamond flush set in the shank.
Face is 11mm wide by 8mm high.
Band tapers to 3.5mm wide, 1.8mm thick.
Taillight reference; 1968 Ford Mustang.