Swiss blue topaz and diamond 10k gold halo ring size 9

This ring is in excellent pre owned condition showing little signs of wear.  10k yellow gold. Swiss blue topaz with white accent diamonds around the halo and shank  size 9  . Can be resized by a jeweler easily. Possibly vintage   * carat weight: 5.40cts * faceted oval cut * stone measurements: 11.9mm x 10.03mm x 6.92mm * Swiss blue color The Side Stones: Diamond * 67 single cuts * approximate average stone size: 1mm * approximate carat weight: 0.20ct * average clarity: I * average color: K-L-M The Setting: Split Shank, Pave and Double Prong Set Halo Ring * 10kt yellow gold, solid * North-South stone orientation