If you do decide to replace your stone with a smaller stone, maybe put a halo around the smaller stone--so it will "fit" better in your setting. This setting reminds me of yours but with a halo (I hope it's okay with goldfish that I linked her post, I apologize if it's not):
[URL='https://www.pricescope.com/community/threads/my-3-01-cushion.180361/']https://www.pricescope.com/community/threads/my-3-01-cushion.180361/[/URL]
Just an idea.
[URL='https://www.pricescope.com/community/threads/my-3-01-cushion.180361/']https://www.pricescope.com/community/threads/my-3-01-cushion.180361/[/URL]
Just an idea.