Opal and diamond halo 14ky ring

A 14 karat yellow gold estate tapered band, this ring holds a 7.5 mm long X 4.5 mm wide crystal opal encircled by 12 single cut I1 clarity round diamonds. The opal displays blues, greens, and yellows with slight lavender flecks and light abrasion on the top.  The opal and small diamonds are prong set in a white gold oval halo cluster setting, sideways atop the band. The total weight of the diamonds is .25 carats. The band is 7.5 mm wide at the top, tapering to 3.6 mm on the underside and is finger size 4.5.