If replace the 2.076ct lab diamond the price difference is $1,270.40-$239.2=$1031.2
https://www.doveggs-seattle.com/products/doveggs-2-076ct-oval-e-color-vvs2-clarity-excellent-cut-lab-diamond-stonecertified?variant=45689772605686
2.076ct(11.02x6.93x4.00mm), oval, E color, VVS2 Clarity, Excellent cut