Blue sapphire and diamond halo ring in high polish 18K yellow gold. There is one prong set oval sapphire (2.15ct) and twelve prong set round diamonds (0.84ctw VS2-SI1 J). The dimensions of the ring are Head/Embellishments- 15.1mm x 3.0mm x 6.9mm, Shank width- 3.1mm, Shank thickness- 1.3mm. The overall weight is 3.7dwt/5.7g.