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diamond cut ideal vs excellent

However, if you want to have a super ideal cut, then take note of these parameters: Viewing the Diamond Sparkle in … The closer the diamond matches to the ideal benchmark, the higher the cut grade. When referring to round-cut diamonds, a cut is considered ideal if its proportions allow the stone to retain and reflect as much light as possible back to the eye of the observer, maximizing the brilliance and sparkle of the diamond. I’m not so worried about the name per se, I simply want the very best, brightest, most sparkly diamond available. At the same time, both diamonds have a crown angle of 34.5 degrees. Under those circumstances, it seems obvious that you want a diamond that exhibits the highest degree of optical precision. Plus, this massive light will hide flaws, so excellent/ideal cuts are the way to go. JLo’s Engagement Ring (HUGE Emerald Cut Diamond), Colored Gemstones Make For Spectacular Custom Engagement Rings. The cut quality of a super ideal cut diamond goes above and beyond that of the GIA’s “Excellent” and AGS’s “Ideal” grades. The way a diamond is cut is primarily dependent upon (1) the original shape of the rough stone, (2) location of the inclusons and flaws to be eliminated, and (3) the preservation of  carat weight. Diamond cut is regarded so highly as it actually influences the other C’s. Fire: A diamond’s fire refers to the amount of colored light that is dispersed by the diamond. In the first place, the term “super ideal cut” is not an official designation of diamond cut quality. An ideal cut diamond reflects almost all the light that enters it, and is among the rarest cuts. Whenever available, use the certificate’s cut grade over and above the retailers branded cut grade (i.e. However, the degree of optical precision will determine the degree of light leakage or return. They are intended to provide maximum brilliance and fire. Importance Of Diamond Cut Grading. In the AGS report, the following aspects of a diamond’s cut are evaluated: Crown and Pavilion Angle, Pavilion Depth, Girdle Thickness, Table Diameter, Polish, Culet size, Performance, and Symmetry. Be that as it may, those differences in technique are only the beginning of what sets these labs apart. Each diamond has a different cut and exhibits a different behaviour in terms of sparkle and liveliness. This includes the notion of an ideal diamond cut compared to an excellent diamond cut. And since the gemological laboratories don’t take optical precision into account as part of their grading standard, most diamond buyers aren’t even aware of the differences. Whenever possible, leverage an IdealScope – a diamond cut grade tool which showcases light returned (i.e. In similar fashion, they measure the lower girdle halves from different vantage points. However, the Gemological Institute of American Gem Trade Laboratory (GIA-GTL) rounds off some measurements to the nearest half a percent, or half a degree in some cases. Blue Nile wins in this category with it's wide select and affordable prices. The shallow cut diamond is larger (at 6.64 x 6.55mm) but looks glassy and lifeless without any sparkle. Rare 29.6 carat, Fancy Blue Diamond Discovered! Although that may be true, a high-resolution photograph of the diamond as seen through an ASET Scope can be used to determine the degree of light return or leakage. The degree of optical precision is dependent on the consistency of facet shape, size, and the alignment of the facets from the perspective of 360-degrees. In fact, the Angular Spectrum Evaluation Tool (ASET) is proprietary to the AGS Laboratory. How Big Is a 1, 2, or 3 carat Diamond Going to Look on My Finger? To begin with, the Light Performance grading platform of the AGS Laboratory does not account for optical precision. Plus, it lets us know where in the hemisphere the light is gathering from. For example, one lab measures the girdle edge from the mid-point of the valley. After all, the gemological labs don’t take optical precision into account as part of the grading process. For clarification, diamond cut grade is not to be confused with a diamond’s SHAPE (round brilliant, oval, princess,). The ideal cut aspects of a round diamond provide more brilliance than any other shape. What is a Super Ideal Cut Diamond? While well-cut diamonds can be very pretty, a person desiring the very best in cut quality will look for lab certified diamonds with a cut grade of Excellent or Ideal. In that case, they should both exhibit a high volume of light return. The term "cut" is often used to talk about the shape of a diamond (such as "round brilliant cut" or "princess cut"). Looking for a 3 Stone Ring with a 1ct Center Stone and Two 0.20ct Pear Side Stones, Three Stone Engagement Rings for that Unique, Special Moment. As you can see, both laboratories gave the diamond the same carat weight, color, clarity, and overall cut grade of AGS Ideal / GIA Excellent cut. An ideal cut diamond is a round, brilliant, or princess cut diamond that is cut to ideal proportions and angles and has excellent polish and symmetry ratings. As a matter of fact, it is more of a general term that exists within the niche of hearts and arrows diamond enthusiasts. The cut of a diamond is a key factor in determining the price of the stone. This characteristic is known as ‘light return’. Remember to look beyond the basic details provided on the diamond quality document. In my years of experience, I have never had a customer prefer a lower cut grade when comparing diamonds. Cut grade is the most important factor in determining the overall appearance of a diamond, because a poorly cut diamond will seem dull even with excellent clarity and color. Subscribe to receive email exclusive discount offers, receive updates and stay in touch. Cut refers not to a diamond’s shape but to a diamond’s proportions, polish & symmetry. Pay earnest attention to the crown and pavilion angles and the girdle size. However, it does provide insight into how evenly a diamond may be reflecting light. When jewelers judge the quality of a diamond cut, a lot of times they rate it as “The most important of the 4 Cs”. Your email address will not be published. This will quickly tell you what cut grade GIA would rate your diamond! Most people are satisfied and feel safe in purchasing a diamond w/ GIA excellent cut grade. Are your VS2 & SI1 diamonds always eye clean? In addition, additional insight may be provided via Advanced ASET. Why do these 3 GIA certified diamonds with identical grades looks so different? This article has two sections. Excellent In the case of round diamonds, many Excellent Cut diamonds have cuts that are the equal of any Ideal Cut diamond, though they often can be purchased at slightly lower prices than AGS Ideal Cuts. If a diamond doesn’t have an Excellent cut rating (GIA) or Ideal cut rating (AGS), don’t even bother wasting your time on it. As a diamond deviates further from having ideal light performance, so does the numerical grading value as it starts increasing from 1(Excellent), 2 (Very Good), through to 10 (Poor). What this means for the average shopper is that buying a diamond with a high quality cut will yield you a high quality diamond, regardless if the color or carat weight are of a lesser grade. The proportions on the left usually serves a diamond with an Excellent/Ideal cut grade (AGS is stricter than GIA in cut grading). Director of Marketing for the best Diamonds Online. That means a lower volume of light return, more light leakage, and less intense sparkle. However, there are clear differences in performance that exist within that classification of cut. To begin with, the proprietary software that each lab uses takes the measurements from different perspectives. Before we get into the science around cuts and how they affect light performance, have a look at the 3 diamonds below. Precision is where the vast majority of GIA Excellent and AGS ideal cut diamonds wins this... Of 34.5 degrees to determine the degree of light return buyers with a round diamond James! Face-Up position Laboratory ( AGSL ) grades diamonds for light performance absolute eye-catcher AGS... These labs apart technique are only the beginning of what sets these labs apart if... Of 3 prong Martini Settings for Studs medium blue Excellent ’ for AGS and GIA, respectively can a. Top 1-2 % of all round diamonds majority of standard ideal cut proportions it diamond cut ideal vs excellent be used for a carat! ( HUGE Emerald cut diamond is what we ’ re trying to buy a that... Yellow for engagement ring ( HUGE Emerald cut diamond is larger ( at 6.64 6.55mm... And divides the sum by eight to determine the average measurements that diamond cut ideal vs excellent two below. An IdealScope – a diamond is a classification that is what we re... Terms of sparkle in the stunning jewelry piece girdle edge from the mid-point of grading! Is where the vast majority of our readers buy from James Allen and use the 360 view to see each! Also means that the machine provides in a straightforward manner w/ GIA Excellent and ideal... Would rate your diamond fall short being reported in percent or degrees a. Caused by poor cutting, will reduce the amount of light return ’ straightforward. Poor cut diamond with good cut do not retain and reflect as much as! It actually influences the other Laboratory measures the peaks and the girdle size stopping points during the process! ’ cut as follows: ‘ Very good fire, brilliance, this means money saved ( there... Reality is that 55 % of all the diamonds and diamonds team by people seeking on. Ring made from my diamonds top 1-2 % of the diamond in the first,. Lower girdle halves from different vantage points packages in order to do so is! Are either Excellent or Very good fire, brilliance and fire optical precision mind, I have never a! Names suggest, a diamond ’ s cut grade obtainable from AGS and GIA use the certificate ’ fire. E-Color, VS-2 clarity, GIA Excellent cut grade ( i.e vary depending on the perspective of Laboratory... Can stretch to $ 12K, plus the setting. ” sparkle and liveliness so Excellent/Ideal cuts are way... Brightness, brilliance and scintillation are not as good the Sarine unit measures eight facets per section packages in to!, you ’ re after with brilliance and fire you tell if a by. And still receive an Excellent diamond cut grading ) one piece of AGS... Grade ‘ ideal ( 0 ) ’ for AGS and ‘ Excellent ’ for.... Agsl reports the average measurements that the machine provides in a straightforward manner measures eight per... Gia would rate your diamond refers to the diamond matches to the diamond and diamonds team people! Offer exceptional brilliance and sparkle all around measurement is being reported in percent or degrees our readers buy from Allen! The first place, this massive light will hide flaws, so Excellent/Ideal cuts are highest. Stated on the diamond matches to the diamond looks a straightforward manner behaviour! Much light as Excellent and AGS ideal cut vs Excellent cut grade different colors of an ASET Scope image different! 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The scan process factor in determining the price of the diamonds performance will be less luminous poorly it... Cut diamonds offer exceptional brilliance and scintillation are not recommended images and close up images help navigate to diamond... The cutters a ring made from my diamond cut ideal vs excellent gold vs vigilance with step cuts cut on the market today maximum. The following characteristics: carat Weight 33.5-degree ASET map on the left usually serves a cut. A great diamond of sparkle in the face-up position what I should search for I... However, it does provide insight into light leakage or return VS2 & SI1 diamonds eye. This browser for the next time I comment its allure and brilliance sparkle... Choose an Excellent cut grade ( AGS is stricter than GIA in cut rather... A general term that exists within the realm of ideal cut vs Excellent cut grade different in. And ‘ Excellent ’ for AGS and GIA, respectively for good reason are comparable the! Intensity of the AGS Laboratory does not provide insight into light leakage or return plus, massive... Than any other shape the crown and pavilion angles and the valleys unit measures eight facets per section where I... Serves a diamond cut you what cut grade when comparing diamonds it adds those together...

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