Hi @mraggies: first and foremost as this is your DEBUT Post on WBee… a Big Welcome to “the Hive”
My Feature Diamond is close to those stats (but bigger at a 0.80)
(I have a 0.80 Round Brilliant – Good Cut – F Colour – SI-1 Clarity – Certified Canadian)
In all honesty there isn’t going to be a great deal of difference in size (eye noticeable) between a 0.63 and 0.70…
Diamonds are measured in points as well as fractions, known as CARATS
A 0.63 C means the diamond is in the 5/8 Carat Size (0.59 to 0.68)
While the 0.70 means the diamond is in the 3/4 Carat Size (0.69 to 0.82)
So for example, you’ll pay less for a 0.70 point diamond as an “odd sized” 3/4 Diamond than you would for one that is dead on at 0.75 points
The 0.63 Diamond has a higher COLOUR (G-H) while the 0.70 Diamond is very similar but has a lower colour (I-J) both have identical CLARITY (SI-2)
As they are soooo similar this would be my next questions…
What else sets them apart ?
How do they rank for the 4th C = CUT ?
What is the Quality of the Cut… Poor – Fair – Good – Very Good – Ideal – Signature (this level often has a brand name attached to it)
And there the other Cs that need to be considered as well…
CERTIFIED – CONFLICT FREE / CANADIAN – COMFORT – and COST
I’d want to know more about the CUT, as it is what I strongly believe gives a Diamond a good portion of its sparkle (ability to reflect light)
When it comes to figuring out the right combo of Cs everyone is different. And there is no right and wrong… it all comes down to personal preferences and how much you have to spend.
Personally my own diamond we ranked our priorities as CUT (Quality & Shape) – COLOUR – CLARITY – and then CARAT Size… with a side order of CERTIFIED and CANADIAN
When it comes to colour I am particularly fussy cause I didn’t want a yellow tinged, chalky or white diamond… I wanted colourless, the colourless the better which is WHY we went F COLOUR (the stones in my overall setting and WBand are G Colour)
And of course the ring had to be comfortable… and within our cost range.
But when it came to the Diamond our worries about size were less than Quality. We only went in with one thought… begger than 0.50 but less than 1.0
For more info on Diamonds and all the Cs (if you haven’t done a lot of reading research up until now) check out Blue Nile’s excellent Education Pages = http://www.bluenile.com/ca/diamond-and-jewellery-education?track=NavDrawEdu
As for “finger coverage” based on the size of ring you wear, you might want to check out this chart…
As it shows, not a huge lot of difference for example between nearby sizes
Hope this helps,