10K rose gold band and 10K white gold ring head.
4.04ct Oval Stone: https://www.doveggs-seattle.com/products/doveggs-4-040ct-oval-f-vvs2-lab-grown-diamond-lel17k1?_pos=1&_psq=LEL17K1&_ss=e&_v=1.0
* The original stone was $1208, while the new stone is priced at $1180.96. This results in a difference of $27.04.
* The original setting was $437.93. Given that this was custom-made, a 15% restocking fee applies, making the store credit for the original semi-mount $372.24.
* The new setting is $404, which reflects the original 20% discount on the $505 price. Therefore, the price difference you'd need to cover for the setting is $31.76 ($404 - $372.24).
* In total, the additional cost to remake the ring with the new stone and setting is $4.72 ($31.76 - $27.04).