Let's look at some WhiteFlash diamonds!
This diamond is the one that I will buy personally. Just look at the light return. There is almost no obstruction at all!:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3793604.htm?a_aid=myengringexp
This diamond is the second choice. The obstruction is also quite minimal. However, the idealscope of the first diamond seems better:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3793608.htm?a_aid=myengringexp
I found that this Expert Selection is also not bad. The E colour is not as crisp as the two diamonds above, probably because the slightly weaker light return and/or maybe this stone is considered a lower E colour. I suspect it did not manage to be categorized as ACA is because the heart at the 11 o'clock position is slightly smaller, and the gap between the heart and the arrow is slightly bigger than others. Also, look at the 10 o'clock position, the gap between the left side and right side of the arrow is different. The pairing of both pavilion angle (40.9) and crown angle (34.8) may also be steep vs. steep, hence the HCA score shows Excellent for Light Return, but Very Good for others. But Despite that, the score is 1.7. Looking at the diamond video, I see that the diamond is fiery enough to compete with an ACA. Also, looking at the idealscope, it still has pretty good light return, however, it does have some slight obstruction. Then looking at the ASET, there is some slight light leakage under the table. So, probably these factors also made it failed to reach the ACA level. However, I believe it just barely failed to reach the ACA level. But nonetheless, I believe that this stone is already better than those so-called super-ideals that some other shops may claim:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3774811.htm?a_aid=myengringexp
This one is also a steal, for people who is concerned of colour:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3774823.htm?a_aid=myengringexp, although it has feather near the edge, it is a VS1 stone, so it should be fine.
This diamond is the one that I will buy personally. Just look at the light return. There is almost no obstruction at all!:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3793604.htm?a_aid=myengringexp
This diamond is the second choice. The obstruction is also quite minimal. However, the idealscope of the first diamond seems better:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3793608.htm?a_aid=myengringexp
I found that this Expert Selection is also not bad. The E colour is not as crisp as the two diamonds above, probably because the slightly weaker light return and/or maybe this stone is considered a lower E colour. I suspect it did not manage to be categorized as ACA is because the heart at the 11 o'clock position is slightly smaller, and the gap between the heart and the arrow is slightly bigger than others. Also, look at the 10 o'clock position, the gap between the left side and right side of the arrow is different. The pairing of both pavilion angle (40.9) and crown angle (34.8) may also be steep vs. steep, hence the HCA score shows Excellent for Light Return, but Very Good for others. But Despite that, the score is 1.7. Looking at the diamond video, I see that the diamond is fiery enough to compete with an ACA. Also, looking at the idealscope, it still has pretty good light return, however, it does have some slight obstruction. Then looking at the ASET, there is some slight light leakage under the table. So, probably these factors also made it failed to reach the ACA level. However, I believe it just barely failed to reach the ACA level. But nonetheless, I believe that this stone is already better than those so-called super-ideals that some other shops may claim:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3774811.htm?a_aid=myengringexp
This one is also a steal, for people who is concerned of colour:
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3774823.htm?a_aid=myengringexp, although it has feather near the edge, it is a VS1 stone, so it should be fine.
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February 10, 2017
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