What can you tell me about this ASET?

[islandmouse]

Happy Thanksgiving all! Sorry to bother everyone on a holiday, but I just received an ASET for a stone I'm looking at. I've studied several of the PS forums on ASETs, and have noticed that all ASETs posted here distinctly show blue arrows. This one, however, does not -- and I'm not certain if it's because (to my understanding) this is a computer generated ASET. I'm curious what y'all think of this particular ASET? The stone gets 1.5 on HCA and is VS2 XXX. Would love to know what your thoughts are on this. I'm not set on this stone, but I am eager to learn more as I continue my hunt.



Thanks and happy turkey day!

 

[TitanCi]

Looks like the aset from the report. Comp generated one. Looks to be a well cut stone, not sure why 3-9 arrow shafts look that way though

 

[islandmouse]

Looks like the aset from the report. Comp generated one. Looks to be a well cut stone, not sure why 3-9 arrow shafts look that way though

Thanks. That's what I'm trying to figure out, too. I agree it's comp generated, too. I think I see some leakage, but not positive.

 

[TitanCi]

Looks like the aset from the report. Comp generated one. Looks to be a well cut stone, not sure why 3-9 arrow shafts look that way though

Thanks. That's what I'm trying to figure out, too. I agree it's comp generated, too. I think I see some leakage, but not positive.

The white you see is normal. I wouldn't worry about that. Can you get an actual aset?

 

[yssie]

That's definitely the simulated ASET from the report.

One of the advantages to picking RBs by the report is that they're much more predictable than other shapes. Certain combinations of proportions tend to yield certain real-world behaviours, and it's possible to predict what certain artifacts of scanning/photography/simulation will translate into in-person.

Diamonds are cut "in opposites" - one element on one side of the stone, then the corresponding element diametrically opposite, so it isn't surprising to see the same artifacts reflected on both sides. Here's a short article by HRD detailing the process of precision-cutting a H&A RB:
http://www.hrdantwerp.com/en/download-file/a684eceee76fc522773286a895bc8436

In this case... The arrows turn blue because the pavilion main facets are reflecting light from 76-90deg from the girdle plane -which is blue in the ASET scope. Assuming the scan accurately represents the actual proportions of the stone, and it's not just an artifact of scan/simulation, the pic suggests that the angles of the mains at 3o'clock and 9 o'clock are slightly steeper than the other six. I wouldn't, however, be surprised to learn that it is in fact just the simulation... And even if it isn't I wouldn't hesitate to recommend that an interested party have the stone shipped out to look at in-person as I'm confident that even slight tilt across that axis will obstruct the arrows as expected.

 

[islandmouse]

That's definitely the simulated ASET from the report.

One of the advantages to picking RBs by the report is that they're much more predictable than other shapes. Certain combinations of proportions tend to yield certain real-world behaviours, and it's possible to predict what certain artifacts of scanning/photography/simulation will translate into in-person.

Diamonds are cut "in opposites" - one element on one side of the stone, then the corresponding element diametrically opposite, so it isn't surprising to see the same artifacts reflected on both sides. Here's a short article by HRD detailing the process of precision-cutting a H&A RB:
http://www.hrdantwerp.com/en/download-file/a684eceee76fc522773286a895bc8436

In this case... The arrows turn blue because the pavilion main facets are reflecting light from 76-90deg from the girdle plane -which is blue in the ASET scope. Assuming the scan accurately represents the actual proportions of the stone, and it's not just an artifact of scan/simulation, the pic suggests that the angles of the mains at 3o'clock and 9 o'clock are slightly steeper than the other six. I wouldn't, however, be surprised to learn that it is in fact just the simulation... And even if it isn't I wouldn't hesitate to recommend that an interested party have the stone shipped out to look at in-person as I'm confident that even slight tilt across that axis will obstruct the arrows as expected.

Thanks, Yssie. That's extremely helpful and makes a lot of sense. I think it would be helpful to see the stone in person, too -- especially if the stone turns out to be steeper at one area. I'll definitely keep that in mind as I continue my search!

 

[TitanCi]

That's definitely the simulated ASET from the report.

One of the advantages to picking RBs by the report is that they're much more predictable than other shapes. Certain combinations of proportions tend to yield certain real-world behaviours, and it's possible to predict what certain artifacts of scanning/photography/simulation will translate into in-person.

Diamonds are cut "in opposites" - one element on one side of the stone, then the corresponding element diametrically opposite, so it isn't surprising to see the same artifacts reflected on both sides. Here's a short article by HRD detailing the process of precision-cutting a H&A RB:
http://www.hrdantwerp.com/en/download-file/a684eceee76fc522773286a895bc8436

In this case... The arrows turn blue because the pavilion main facets are reflecting light from 76-90deg from the girdle plane -which is blue in the ASET scope. Assuming the scan accurately represents the actual proportions of the stone, and it's not just an artifact of scan/simulation, the pic suggests that the angles of the mains at 3o'clock and 9 o'clock are slightly steeper than the other six. I wouldn't, however, be surprised to learn that it is in fact just the simulation... And even if it isn't I wouldn't hesitate to recommend that an interested party have the stone shipped out to look at in-person as I'm confident that even slight tilt across that axis will obstruct the arrows as expected.

...uhhhhhh.... that's EXACTLY what I was gonna say yssie! yeah yeah... EXACTLY!!!

 

[islandmouse]

That's definitely the simulated ASET from the report.

One of the advantages to picking RBs by the report is that they're much more predictable than other shapes. Certain combinations of proportions tend to yield certain real-world behaviours, and it's possible to predict what certain artifacts of scanning/photography/simulation will translate into in-person.

Diamonds are cut "in opposites" - one element on one side of the stone, then the corresponding element diametrically opposite, so it isn't surprising to see the same artifacts reflected on both sides. Here's a short article by HRD detailing the process of precision-cutting a H&A RB:
http://www.hrdantwerp.com/en/download-file/a684eceee76fc522773286a895bc8436

In this case... The arrows turn blue because the pavilion main facets are reflecting light from 76-90deg from the girdle plane -which is blue in the ASET scope. Assuming the scan accurately represents the actual proportions of the stone, and it's not just an artifact of scan/simulation, the pic suggests that the angles of the mains at 3o'clock and 9 o'clock are slightly steeper than the other six. I wouldn't, however, be surprised to learn that it is in fact just the simulation... And even if it isn't I wouldn't hesitate to recommend that an interested party have the stone shipped out to look at in-person as I'm confident that even slight tilt across that axis will obstruct the arrows as expected.

...uhhhhhh.... that's EXACTLY what I was gonna say yssie! yeah yeah... EXACTLY!!!

You are both super helpful and I appreciate it!

 

[WinkHPD]

Happy Thanksgiving all! Sorry to bother everyone on a holiday, but I just received an ASET for a stone I'm looking at. I've studied several of the PS forums on ASETs, and have noticed that all ASETs posted here distinctly show blue arrows. This one, however, does not -- and I'm not certain if it's because (to my understanding) this is a computer generated ASET. I'm curious what y'all think of this particular ASET? The stone gets 1.5 on HCA and is VS2 XXX. Would love to know what your thoughts are on this. I'm not set on this stone, but I am eager to learn more as I continue my hunt.



Thanks and happy turkey day!

It takes more than just angles to make the best performing diamonds. This one has a great deal of red light, which is good, but it is lacking the contrast at 9 and three that a more precisely cut diamond would have. (Blue is the contrast pattern)

This is not all bad, it just will not have that "magic pop" that a great contrast pattern helps to create. Since we know that this diamond is not super precise, we can say from this ASET that it will likely look great but not exceptional. It will likely have smaller flashes of both white and colored light because of the lack of precision if it were placed next to a diamond of the same size that was more precisely cut.

Still, I think this diamond is worthy of bringing in for a look with YOUR eyes to see what YOU think. This diamond is going to be way more beautiful than the average cut diamonds that you will see at the mall, but it will not compete with some of the best cut diamonds if you put them side by side. Part of the beauty of a diamond is that on/off scintillation as a diamond moves and some facets turn off and others turn on. When too many are on at the same time without the contrast then they do not have that subtle comparison that makes them seem actually brighter than when they are all on.

This is just my opinion of course, based on what I am seeing in this ASET. I could easily be wrong, but I would not know until I actually saw the diamond.

Wink

 

[MelisendeDiamonds]

Happy Thanksgiving all! Sorry to bother everyone on a holiday, but I just received an ASET for a stone I'm looking at. I've studied several of the PS forums on ASETs, and have noticed that all ASETs posted here distinctly show blue arrows. This one, however, does not -- and I'm not certain if it's because (to my understanding) this is a computer generated ASET. I'm curious what y'all think of this particular ASET? The stone gets 1.5 on HCA and is VS2 XXX. Would love to know what your thoughts are on this. I'm not set on this stone, but I am eager to learn more as I continue my hunt.



Thanks and happy turkey day!

It takes more than just angles to make the best performing diamonds. This one has a great deal of red light, which is good, but it is lacking the contrast at 9 and three that a more precisely cut diamond would have. (Blue is the contrast pattern)

This is not all bad, it just will not have that "magic pop" that a great contrast pattern helps to create. Since we know that this diamond is not super precise, we can say from this ASET that it will likely look great but not exceptional. It will likely have smaller flashes of both white and colored light because of the lack of precision if it were placed next to a diamond of the same size that was more precisely cut.

Still, I think this diamond is worthy of bringing in for a look with YOUR eyes to see what YOU think. This diamond is going to be way more beautiful than the average cut diamonds that you will see at the mall, but it will not compete with some of the best cut diamonds if you put them side by side. Part of the beauty of a diamond is that on/off scintillation as a diamond moves and some facets turn off and others turn on. When too many are on at the same time without the contrast then they do not have that subtle comparison that makes them seem actually brighter than when they are all on.

This is just my opinion of course, based on what I am seeing in this ASET. I could easily be wrong, but I would not know until I actually saw the diamond.

Wink

With all due respect WInk I have no idea how you could judge scintillation or contrast from this simulated ASET image.
It is 100% an artifact of scanning or the generation model, and has absolutely no reflection on the actual proportions or appearance of the diamond.

Diamonds simply aren't cut this way, artefacts on AGSL reports like this however are pretty common.
My advice is to ignore the two red arrows completely it is meaningless, assume they are blue.
This doesn't have any reflection on the "crispness" or "magic pop" or optical symmetry of the diamond which cannot be ascertained from this ASET image.