if you need to cancel #24002 (4ct stone) and replace with this 2.062ct round lab grownd diamond stone, the price difference is $26( $785.6-$759.6).
https://www.doveggs-seattle.com/products/doveggs-2-062ct-round-e-color-vs1-clarity-excellent-cut-lab-diamond-stonecertified?_pos=1&_psq=2.062&_ss=e&_v=1.0