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Table/Depth?

adelaideguy

Rough_Rock
Joined
Mar 31, 2016
Messages
3
Thought I was on track to learning most I need to know about diamonds but now I start hearing about tables and depths and I'm confused again. Does this seem good?


Measurements
5.63 - 5.66 x 3.42 mm
Carat Weight
0.67 carat
Color Grade
E
Clarity Grade
VS1
Cut Grade
Excellent

Depth
60.6 %
Table
58 %
Crown Angle
35.0°
Crown Height
14.5%
Pavilion Angle
40.6°
Pavilion Depth
42.5%
Star Length
50%
Lower Half
75%
Girdle
Medium to Slightly Thick, Faceted, 3.5%
Culet
None
Polish
Excellent
Symmetry
Excellent
Fluorescence
Medium Blue

It's going for $3700 AUD, will put it on a 6 prong solitaire.
 

diamondseeker2006

Super_Ideal_Rock
Premium
Joined
Jan 11, 2006
Messages
56,284
adelaideguy|1459472982|4013977 said:
The other option is this one

http://www2.jogiadiamonds.com.au/images/certs/J8996652.jpg

0.65 instead of 0.67
F instead of E
VVS2 instead of VS1
Ideal instead of excellent

For $200 less...
No this one is not ideal, it is still GIA Excellent cut. Be sure to go by the grading report and not by how a jeweler labels it.

These are measurements to help you stay in ideal cut territory with a GIA excellent cut stone. Your first diamond falls within these measurements. Therefore, I would choose the first stone, personally.

table: 54-58

depth: 60-62.3

crown angle: 34-35.0

pavilion angle: 40.6-40.9 (sometimes 41.0 if the crown angle is close to 34)
 

istase2000

Shiny_Rock
Joined
Sep 9, 2012
Messages
383
Hello
I found the two stones you posted and the arrows photo for the E looks nicer than the F. Jogia will provide idealscope and cut analysis when they call the stone in so you should be well looked after.



Would you consider a G VS2? Found a nice one on the Jogia site at $3320 AUD.

e_vs1.jpg

f_vvs2.jpg
 

ADN

Shiny_Rock
Trade
Joined
Nov 24, 2015
Messages
311
adelaideguy|1459472982|4013977 said:
The other option is this one

http://www2.jogiadiamonds.com.au/images/certs/J8996652.jpg

0.65 instead of 0.67
F instead of E
VVS2 instead of VS1
Ideal instead of excellent

For $200 less...
Hey mate - I can't comment on the diamonds specifically as I'm in the trade (full disclosure this is also my competition).
But I can make a few general comments you might find helpful.
Regarding colour/clarity - In general, you aren't going to see any colour in a G - you could probably even get away with an H colour if it's at the top end of the colour scale - if you were to put an E/F/G together, you'd be hard pressed to see a face-up colour difference. Also, with clarity, VVS is a bit of overkill (unless you can't stand the thought of any inclusions whether they're visible or not). VS2 (especially in this size) is pretty much going to be eye-clean - and eye-clean SI1s are very common and good value as well.
You can probably drop down a bit in these characteristics to save a few quid (without sacrificing anything in the face-up appearance of the stone), which in turn (if you're interested) could be put towards a slightly larger carat weight - you could probably move up into the 3/4 carat range if you play around with just these two characteristics.
Regarding the table and depth, you're getting some good advice from other non-trade members here, so if you work within the parameters being suggested, you should be able to get a pretty schmick stone - - just keep in mind that it's about balancing the parameters, so if something falls slightly outside of what is being recommended here, don't automatically dismiss it, you might just need a bit more info to see if it balances ok.
Hope this helps
 

diamondseeker2006

Super_Ideal_Rock
Premium
Joined
Jan 11, 2006
Messages
56,284
istase2000|1459475597|4014000 said:
Hello
I found the two stones you posted and the arrows photo for the E looks nicer than the F. Jogia will provide idealscope and cut analysis when they call the stone in so you should be well looked after.



Would you consider a G VS2? Found a nice one on the Jogia site at $3320 AUD.
Very helpful to see images! These do confirm that the E is better cut!
 

istase2000

Shiny_Rock
Joined
Sep 9, 2012
Messages
383
diamondseeker2006|1459479128|4014017 said:
istase2000|1459475597|4014000 said:
Hello
I found the two stones you posted and the arrows photo for the E looks nicer than the F. Jogia will provide idealscope and cut analysis when they call the stone in so you should be well looked after.



Would you consider a G VS2? Found a nice one on the Jogia site at $3320 AUD.
Very helpful to see images! These do confirm that the E is better cut!
:angel: Definitely!

The G VS2 is also 0.65. Although I don't think a stone that size will show colour in E or G, definitely go for what you are comfortable with!

I just thought the images appeared very nice - what do you think Diamondseeker?

g_1.jpg

g_vs2_0.jpg

g_vs2_2.jpg

_36909.jpg
 

Diamond_Hawk

Brilliant_Rock
Trade
Joined
Apr 8, 2014
Messages
1,221
ADN|1459478225|4014013 said:
just keep in mind that it's about balancing the parameters, so if something falls slightly outside of what is being recommended here, don't automatically dismiss it, you might just need a bit more info to see if it balances ok.
Indeed.

And (with no comment on any diamond you or anyone else has suggested) the light performance images (ASET and Ideal-Scope) are going to tell you much more about how those parameters function together than the numbers on the paper which are simply rounded averages of many different measurements.
 

Sphene

Brilliant_Rock
Joined
Jan 4, 2015
Messages
666
No point in blacking out the GIA number at top of report if you do not also black out Inscription: at bottom as well :bigsmile:
 

istase2000

Shiny_Rock
Joined
Sep 9, 2012
Messages
383
Sphene|1459496110|4014062 said:
No point in blacking out the GIA number at top of report if you do not also black out Inscription: at bottom as well :bigsmile:
oh dear :wall: :saint:
I totally missed that!
 

gr8leo87

Shiny_Rock
Joined
Apr 24, 2015
Messages
381
As with any diamond - you would need the diamond image and light performance image to judge the performance of the diamond. This is really important - and especially important and if parameters are slightly out of those recommended ranges.
 
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