XR0318 14k solid rose gold center 2ct elongated Astro oval moisasnite with moissanite accents , engraving LOVE MICHAEL, with round bottom not euro shank but round shank.size 6.5. The price is $777.

After return 21796 ring you will have $616.14, so the price difference that you need to pay is $777*20%+tax-$616.14=$35.