I did a quick search using the pricescope your diamond (H color/SI1 clarity), and this is what I got:
0.85 H SI1 73.5% 74% GIA vtn-tk no gd vg no 5.45x5.01x3.68 $2738 $2327*SP 0.86 H SI1 72.5% 70% AGS thn no vg gd no 5.32x5.27x3.82 $3578 $3077SF 0.90 H SI1 69% 72% EGL md-xtkp no gd gd no 5.32x5.28x3.69 $3380 $3042*SP 0.94 H SI1 73.7% 66% GIA m-stk no ex ex no 5.39x5.39x3.97 $3748 $3523SP