This is a handmade one off 18ct yellow gold ring. The oval 6.5x5mm medium blue spinel is set into a rubover bezel on a solid 3mm wide band with 3 x 0.02point brilliant cut diamonds grain-set into the band on either side of the spinel.
Metal 18ct yellow gold
Stones 1 x oval blue spinel
6 x 0.02 point brilliant cut diamonds