your sit-bone width (6 1/4 inches) and saddle width (7 1/4 to 8 inches) is in good company on this board. Quite a few of us have tried several saddles in these ranges. After you do the cut-out test, let us know what you think you might be looking for and we can give you some ideas of places to start.

Knot-on-a-210mm-width-no-padding-narrow-nose-T-shaped-no-cut-out-suspended-saddle.