Please help PEAR diamond sizes!

Please share your PEARS! with sizes, please

Good day to all you lovely engaged/married people! I'm ready to take the plunge with my GF of 3 years!

Her finger size is 5.5 or 6 I believe but I have no idea if a .75/1ct Pear is too small. If anyone can help me with my Pear questions you'll be making my day!

I'm finding it so hard to find pictures for Pear shaped diamond rings on the hand and not just a white background.

Also, does a halo-style ring bump up a Pear to look beefier?

I've been looking in the 1.25ct/1.5ct/1.6ct Range but honestly am not sure if 1.6ct is a major size difference from a 1.25ct on a finger

Thank you all for your time! Have a lovely day!