Red coral, scallop-edged ring in 18K high polish yellow and white gold. There is one, prong set oval coral cabochon. The dimensions of the ring are Head/Embellishments - 18.9mm x 16.1mm x 8.5mm, Shank Width - 2.0mm - 3.6mm, Shank Thickness - 0.8mm. The overall weight is 5.7dwt/8.9g.