Client do not need the #21716 2.01ct round lab grown diamond stone. 

Need to replace with  3.01ct F color round lab gronw diamond stone. 

 3.01ct F color round lab grown diamond stone, the price difference is $722.4($2302*0.8-$1399*0.8). 

$903 is before 20% off

https://www.doveggs-seattle.com/collections/lab-diamonds/products/doveggs-3-01ct-round-f-color-vvs2-clarity-excellent-cut-lab-diamond-stonecertified