“Hello, I found your site on Bing while reading about site reviews. You mentioned to contact you if I like your opinion on diamonds, and I’m interested in a couple of BGD Blues: 2.436 carat, H color, VS-2 and this 2.472 carat, H color, VS-1 Or to spend equivalent money on the Signature Hearts and Arrow. Your opinion is appreciated. Thanks.” ~ B.H.
Thank you for your inquiry B.H., one of the things I like about diamonds from the Brian Gavin Blue Collection is that they are cut on the exact same production line as the Signature Hearts & Arrows Diamonds from Brian Gavin, so the diamond cut quality and visual performance is top notch. The primary criteria for diamonds selected for the Brian Gavin Blue Collection is they meet his exceptional standards for diamond cut quality and exhibit blue fluorescence to a degree which compliments the beauty of the diamond. If the fluorescence within any diamond has a negative impact upon the appearance of visual performance of the diamond, it will be rejected.
With this little bit of insight into the selection process used for choosing diamonds to be included in the Brian Gavin Blue Collection, it should come as no surprise that both of the diamonds which B.H. inquired about are cut to the center range of the spectrum defined by the AGS Laboratory for their zero ideal cut proportions rating. The pavilion angle which is the primary reflective surface of a diamond in terms of reflecting light back up through the top of a diamond is 40.8 degrees for one and 40.9 degrees for the other, so they are right in the sweet spot for pavilion angle.
The crown angle of the diamonds which is responsible for the type of light return is 34.8 degrees for one diamond and 34.9 degrees for the other, here again, the crown angle is right on target and these diamonds should exhibit a very nice balance of brilliance (reflected white light) and dispersion (reflected colored light or “fire”) and because the diamond cut quality is extremely precise, the diamonds will also exhibit a high degree of scintillation ~ which is the light or sparkle which is created when you or the diamond is moving.
The primary difference between the two diamonds is that the Brian Gavin Blue 2.436 carat, H color, VS-2 clarity diamond has medium blue fluorescence and the Brian Gavin Blue 2.472 carat, H color, VS-1 clarity diamond has very strong blue fluorescence. There is also a minor split in the clarity grade, one being a VS-2 and the other being a VS-1 in clarity which is a difference which will not be visible to the naked eye and which will barely be discernible using 10x magnification which is the industry standard for diamond grading.
I looked at the inclusions indicated for the diamonds on the plotting diagram for the Platinum Light Performance Reports issued by the American Gemological Society Laboratory (AGSL) and the inclusions appear to be minimal and of no consequence. Both diamonds received the highest rating of AGS Ideal 0 for overall cut grade which includes ratings for Polish, Symmetry, Proportions and Light Return, so you really can’t get any better.
The effect of medium blue fluorescence within an H color diamond will be subtle and the diamond will glow a nice medium neon blue color when it is exposed to ultraviolet or black light, the presence of the blue fluorescence will not really be readily noticeable when the diamond is subjected to direct sunlight.
The very strong blue fluorescence within the 2.472 carat, H color diamond will be more noticeable and will most likely be apparent as a slight lavender-blue hue within the diamond when the diamond is subjected to direct sunlight… however it is one of those things that will not be blatantly obvious, I used to wear an “I” color diamond with very strong blue fluorescence and it was something which I had to specifically point out to people when I wanted them to see it and personally I thought it was one of the most beautiful diamonds which I’ve ever owned, then again I am extremely fond of blue fluorescent diamonds.
I conducted a search for diamonds of comparable clarity and color within the inventory for the Brian Gavin Signature Hearts & Arrows Collection and did not find any suitable options. I also looked around the inventory of some other dealers and didn’t find anything which piqued my interest, but I think that the two diamonds which you selected B.H. are both top notch options and think that either one truly is an excellent choice… As I see it, the deciding factor is probably the degree of fluorescence which you are comfortable with.
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