(Closed) Educate me – I don’t understand the ring size/carat chart!

posted 9 years ago in Rings
Post # 3
4831 posts
Honey bee
  • Wedding: September 2011

It tells you how much “finger coverage” you get for a round brilliant cut of a certain carat weight on a certain finger size.

Finger coverage means just that, how much of the top of your finger is covered by the diamond (side to side).

So 50% coverage means 25% of your finger will show on either side of the diamond.

Does that help?

Post # 5
74 posts
Worker bee
  • Wedding: October 2012

I cant believe someone sat and worked it all out!

Post # 6
1250 posts
Bumble bee
  • Wedding: May 2013

It’s one of those charts that seems like it will be helpful and than you realize nope not helpful at all lol

Post # 7
737 posts
Busy bee
  • Wedding: November 2014

I love that chart! It would be even better if it included pics 😉

Post # 8
2674 posts
Sugar bee
  • Wedding: August 2013

@bigcitybee:  Like this? (I know it doesn’t have hands in it but its something)

ETA: I also like this one

ETA: Last one I think

Post # 9
4812 posts
Honey bee
  • Wedding: January 2010

The chart CAN be handy. It just depends on how you use it!

So, if you know someone has a 1ct on a size 6 finger (which at some point someone decided was sort of the “perfect” look which is why on the chart it the 6/1ct has its own little bolded box as the starting point of sorts – but obviously we all feel differently. However, I am pretty sure that is why you have that orange print section to see what falls in that area, though no one has ever quite confirmed that!) and you have a size 4 finger, you can see that a 1ct stone will take up 5% more space. Or, if you just want to get that same look as your friend, you can see that you can get the same look with a .75ct rather than a 1ct. The girl with a size 2 can get the same look as her friend with a 0.5ct!

Also, if you already know you have a preference for certain “finger coverage”, just as between 45-50%, you can see what size stone you need to get there. As you can see, if you are a size 6, you will get that range in anywhere from 1.5 – 2 ct.

Of course the chart has its limits. It only works for rounds since other shapes face up differently at the same weight, and it really is assuming, I would imagine, rather excellent cuts (a deep/poor 2 ct round might only face up like an excellent 1ct, for example). And, it does not really tell you “overall look”. I find finger size matters to the size appearance, but your overall hand shape, finger length, knuckle appearance, neighbouring fingers size, and so on matter just as much if not more, as to how a certain size (and shape) will look on you.  Always best to try some on, or barring that, cut out some shapes and sizes from one of those sheets that gives you a variety of shapes and sizes to cut out and stick them on your finger/on a plain band on your finger (recognizing that they are not really showing the whole effect like height, how settings may increase appearance, etc).




Post # 10
2812 posts
Sugar bee

Thanks for this I’m still kind of confused by this chart but better now! 🙂

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