July 23


High Performance Diamonds knocks it out of the park with this Value Select Diamond!

By Todd Gray

July 23, 2013

GIA 3X Cut, GIA Excellent Cut, High Performance Diamonds, Value Select Diamonds

I’ve been keeping an eye on the diamonds being added to Wink’s new Value Select Line over at High Performance Diamonds and this 2.52 carat, K-color, SI-2 clarity diamond caught my eye this morning! It’s graded by the GIA Laboratory with an overall cut rating of GIA Excellent, which is the highest rating available from the GIA for this factor, it means that the diamond has GIA Excellent Polish, Symmetry and Proportions. As you can see in the clarity photograph featured to the left, a few of the inclusions are readily visible at this focal depth, but keep in mind that the diamond which measures 8.81 – 8.87 x 5.31 mm is pictured here blown up to the size of a tennis ball.

Analysis of the Inclusions:

HPD Value Select Diamond, GIA #1153163706 Lab ReportI’m told that this 2.52 carat, K-color, SI-2 clarity, Value Select Diamond from HPD is “eye clean” at a distance of 9 – 12 inches to most people, but that the inclusions are readily visible to the unaided eye with close scrutiny, which is pretty typical of an SI-2 clarity diamond, especially one of this carat weight.  Of course, it goes without saying, that the visibility of inclusions varies from person to person, depending on their individual eye sight and the lighting conditions at the time the diamond is being viewed. According to the GIA, the primary inclusions consist of feathers, clouds of pinpoint size diamond crystals, crystals, and needle shaped diamond crystals. I’ve looked over the extent of the inclusions as indicated on the plotting diagrams, and everything looks fine, no alarm bells are ringing in my head.



ASET image for HPD Value Select Diamond, GIA #1153163706The first thing that I like to look at after I evaluate the characteristics of the diamond as provided on the lab report, is the ASET image for the diamond to determine how it is reacting with the light which is available to it… now this is not an actual photograph, it is a computerized simulation created using the ASET software provided by the AGS Laboratory. This looks like a pretty decent ASET image for a diamond which is cut to the spread proportions which this diamond is cut for, this is exactly the type of diamond which we used to look for before the modern round brilliant ideal cut diamond entered the market. The symmetrical distribution of colors is a good thing…


Ideal Scope image:

Ideal Scope for HPD Value Select Diamond, GIA #1153163706This is how the diamond appears when viewed through an Ideal Scope which is designed to demonstrate where the diamond is leaking light, and it’s essentially leaking light in all the normal places. The light leakage appears as white area around the perimeter of the diamond, and the red arrows show where the diamond is reflecting light back up towards the viewer. A few of the inclusions are visible in the center region of the table facet, because the ideal scope incorporates a lens which is magnified.


My Summary of this Value Select Diamond:

It’s got nice spread because of the 60% total depth and the 34.0 degree crown angle is a good offset for the 40.6 degree pavilion angle, and the 58% table diameter is just fine… I’m pretty confident that this is going to be a nice looking diamond that exhibits great light return, it’s obviously not going to exhibit the optical symmetry of a Crafted by Infinity Hearts & Arrows Diamond, but it’s not priced like one either… it’s just a good old fashioned deal.

About the author

A mad scientist with a passion for improving diamond cut quality to maximize light performance and sparkle factor. I speak geek in degrees of optical precision between bouts of freediving. My ghostwritten ramblings haunt the rabbit holes of information found on many diamond vendor sites. Diamond buyer, author, consultant, errant seeker of deep blue water.

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