Platinum Natural Ruby Diamond Halo Ring

Pretty halo ring done in solid platinum. The center oval cut ruby 4.5mm x 3.5mm and 0.48 carat (stamped). It has a bright blood red color and excellent transparency. It is a quality stone. Sz 4.75 There are small glittering diamonds (0.10 carat stamped), estimated to be bright clean G SI1/Si2. Stamped Pt 900 and carat weights