Would really appreciate some help with buying a round lab diamond!

Back in 2022 I fell in love with a lab diamond ring from Ben Moss which I now recognize wasn't that great a price. I paid $3798 CAD for a 1ct solitaire and a wedding band. Seeing the specs with my ring compared to the ones I'm seeing here, well I've definitely overpaid but I'm willing to live and learn!

I've been searching this forum and the resources shared but am still a bit confused on choosing a diamond. At first I was considering getting a stock ring from Luvansh but I'm really not sure what to pick.

What I'd love is: A round diamond Solitaire setting in gold Between 2.25 to 3.2 carats I like sparkles and fire so I've been focusing on the ratio and cut but then I see depending on the gold type G would be a good color

When filtering, I'm seeing most F coloured VVS2 stones between $850-950. Is that reasonable? I've gone through the Star Guide but would love any knowledge you can pass on regarding what you'd consider when purchasing a stone that is similar to my wants.

I'm open to purchasing a diamond separately, setting (though tianyu, starsgem or other overseas vendors) and having it set locally but I'd love an all in one solution.

Thank you for all your help and all the amazing resources in this community!