Go try things on to get a feel for size. Visit a GIA or AGS jeweler. You want to see what you will like on your hand sizewise. Also see what you think of colors and clarities in person in those ranges.
Personally I think the sweet spot for me is around a G-H color and a VS1 clarity. White and Clear. I like Fluorescence a lot, but it's not for everyone.
Cheat sheet for cut, great set of numbers for Round Brilliants...
Fancies are harder to deal with so if you want those, we can discuss, but RB is the easiest way to judge cut quality.
Ask the sales person to limit the selection of round brilliant cut diamonds which they offer to me so that all of the diamonds are within the following range of proportions using a GIA or AGS report:
Total depth between 59 61.8%
Table diameter between 53 57%
Crown angle between 34.3 34.9 degrees
Pavilion angle between 40.6 40.9 degrees
Girdle thickness between thin to medium, faceted (bruted isn't bad, but faceted would be better)
Culet size: none
When you're dealing with a table of 53-54, you want the depth to be in the 59-60 range, not the 61-62 range. I harp on the 55 because it's RIGHT in the middle of the range, and sometimes a 56. The middle of the range is PERFECT, and is always talked about as the perfect table number.
The angles mentioned in degrees are a range, obviously you're going to have interplay, so there's not a specific ratio there. You have to see what the numbers on each stone are. There really is a bigger range of angles than that but ideally those would be great to hit.
Girdle: Bruted isn't horrible, my current stone is bruted. I LIKE Faceted better, but bruted isn't a horrible thing.
If a Jeweler has an ASET or IdealScope all the better. If they don't know what that is, or bash internet vendors, pay attention to that, and note it, because my experience with that tells me they're a little too "old school" for my requirements and we will not work well together.
I have purchased successfully many times from Good Old Gold, I didn't have good experiences with Whiteflash but they have great diamonds. Also check out High Performance Diamonds, they sell Cut by Infinity--wow. Another one with great stones is Brian Gavin Diamonds.
Hi
I went to the diamond store that sells GIA diamonds, I originally run the HCA testing on
http://www.ideal-scope.com/hca.asp and found one diamond that fits my budget and the size seems fine to me. It is a 0.72 D VVS2 with HCA Grade 0.8. However, when I go to store, the sales lady show me one 0.80 E VS2, it has lower HCA score 3.5, however, they both sparkly and pretty. If putting them side by side, I can tell which one is brighter and which is one bigger, but i really could not tell the .72 one is actually sparkly than the other, I think they both look the same to me. Would you please educate me more about this? Should I trust HCA test score, or I should listen to the sales lady, who is keep saying at long as it is 3EX, they are the same...etc. She keep convince me to get a bigger diamond, and get a great color with SI clarity....is that correct?
Since my hand is tiny, .80 size looks like a 1 ct on me, so I think that size is fine, if our budget is not that high...Any inputs would be highly appreciated, i am copy the spec for those two diamonds.
[FONT="]5146761259[/FONT]
[FONT="]0.72[/FONT]
[FONT="]D[/FONT]
[FONT="]VVS2[/FONT]
[FONT="]60.2[/FONT]
[FONT="]58[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]NONE[/FONT]
[FONT="]H&A[/FONT]
[FONT="]151,632[/FONT]
[FONT="]2156024282[/FONT]
[FONT="]0.80[/FONT]
[FONT="]E[/FONT]
[FONT="]VS2[/FONT]
[FONT="]62.1[/FONT]
[FONT="]56[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]EXCELLENT[/FONT]
[FONT="]NONE[/FONT]
[FONT="]H&A[/FONT]
[FONT="]143,376[/FONT]
[FONT="]
[/FONT][FONT="][/FONT]
*TWD:USD= 30:1