{"id":1260,"date":"2020-07-21T18:58:04","date_gmt":"2020-07-21T18:58:04","guid":{"rendered":"https:\/\/hk.co\/blog\/?p=1260"},"modified":"2024-07-26T09:58:57","modified_gmt":"2024-07-26T09:58:57","slug":"diamond-quality-guide-beyond-4cs","status":"publish","type":"post","link":"https:\/\/www.hk.co\/blog\/diamond-quality-guide-beyond-4cs\/","title":{"rendered":"Validate the original diamond quality &#8211; Beyond the certification"},"content":{"rendered":"<p><span style=\"font-weight: 400; color: #000000;\">Often referred to as the 5th C of diamond grading; the diamond certificate is essential when you buy a diamond as the best proof of the diamond&#8217;s authenticity is to see its certificate.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Also, as a buyer, you always tend to make sure that whether the stone is certified by the globally recognized gemological laboratory or not. For example, the most trusted diamond certification authority in the world is the Gemological Institute of America (GIA).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">But what if you are not convinced about the authenticity of the stone you are buying or having any doubts about the diamond certificate or you are planning to purchase the non-certified or self-certified diamonds. Then is there any method you can assure the quality of the diamond?\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Yes of course there are many ways you can assure the quality of the stone you are buying. In such cases, you still can instantaneously grade the stone by yourself. Certainly, the result you will come up with will be in terms of the grading range instead of the exact grading values, and also they will be approximate.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Let\u2019s explore some of the new ways with the experts at HK to grade the diamonds instantaneously:\u00a0<\/span><\/p>\n<p><span style=\"color: #293896;\"><b>[**Important Note: Before going further, please keep in mind that all the information we are going to share about manual grading of the diamonds is based on years of experiences and none of the following methods necessarily be foolproof of the natural humane errors. So, HK recommends you use them at your own risks and is not taking responsibility for any loss or damages that occurred.]<\/b><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Instantaneous_grading\"><\/span><span style=\"color: #000000; font-size: large;\"><b><span style=\"color: #293896; font-size: large;\">Instantaneous grading:<\/span>\u00a0<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; color: #000000;\">Instantaneous grading on your own is a great systematic approach to understand the diamond quality better. After spending some time getting to grip on what key variables among 4Cs drive the quality, appearance, and the price of a diamond, you will be well on your way to making a more responsible diamond purchase.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Carat_weight\"><\/span><span style=\"color: #000000;\"><b><span style=\"color: #293896; font-size: large;\">Carat weight:<\/span>\u00a0<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">The Carat weight of the diamond is very easy to rate for any individual compared to rest 3Cs. There is a standard conversion of carat into normal gram weight; and it is &#8211; 1 carat is equal to 0.2 grams.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">So, all you have to do while purchasing a stone is weigh the stone you are buying on a normal weighing machine at the shop and divide its weight (in grams) by 0.2 and you will know the carat weight of the stone.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">For example, if your diamond weighs 0.40 grams on a normal weighing machine then it is of a 2 (0.40\/0.2) carat weight diamond.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Color\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Color:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">Generally, the color of a diamond is graded by comparing the stone with a set of graded master stones at the shop and determining which one of them is closest in color to that stone.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">But if you don\u2019t have access to the graded master diamonds at the store then you can try to determine its approximate range of colors by just looking at the stone and figure out how colorless it looks. As it is hard to pinpoint the exact color grade without comparing it with graded master stones.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><strong><span style=\"color: #293896;\">\u2022<\/span> <\/strong>If your diamond doesn\u2019t appear to have a visible yellow tint, then the stone color grade will most likely fall in the D to H range.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><span style=\"color: #293896;\"><strong>\u2022 <\/strong><\/span>If your diamond has a barely visible yellowish hue then it is most likely to fall under the I to\u00a0 M grading range.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><span style=\"color: #293896;\"><strong>\u2022 <\/strong><\/span>If your diamond has some very light yellow color nonetheless visible then it would likely be graded in the range of N to R.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><strong><span style=\"color: #293896;\">\u2022<\/span> <\/strong>But if your diamond has a clearly visible yellow tint then it most likely to be graded under the S to Z color range.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cut\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Cut:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">The grading of the cut of the diamond is a very detailed and precise process that needs some expertise of the field so it is very tough to rate the cut of the diamond instantaneously in the store unless you are an expert in the field. So, in the cut-grading of the diamond, you have to believe what the retailer is claiming.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Clarity\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Clarity:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">The clarity of a diamond is graded on how many natural flaws can be seen within a diamond just by looking at the stone in both ways; under magnification and with the naked eye.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">But if you want to measure the diamond clarity instantaneously on the store then you should compulsorily have the access to the 10<\/span><span style=\"font-weight: 400;\"> magnificent lenses.\u00a0<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Again, if you don\u2019t have access to the lens then you have to rely on the retailer\u2019s claim. But If you have access then,\u00a0<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\"><span style=\"color: #293896;\"><strong>\u2022<\/strong><\/span> If you look at a diamond under the 10<\/span><span style=\"font-weight: 400;\"> magnification, and cannot readily see any visible flaws inside, then the stone\u2019s clarity would most likely be graded in the range of FL\/IF\/VVS1\/VVS2.<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\"><span style=\"color: #293896;\"><strong>\u2022 <\/strong><\/span>If the diamond you are looking under the 10<\/span><span style=\"font-weight: 400;\"> magnification has some visible inclusions under the magnification but not to the naked eye, then the stone\u2019s clarity is most likely in the rage of VS1\/VS2\/SI1.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><span style=\"color: #293896;\"><strong>\u2022 <\/strong><\/span>Flaws in SI2 clarity diamonds may generally not be visible to the unaided eye, but if they are visible then they will usually be located towards the sides of the stone.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><span style=\"color: #293896;\"><strong>\u2022 <\/strong><\/span>If the diamond has inclusions that are easily noticeable with the naked eye, then the stone is most likely to be graded in the range of I1\/I2\/I3. These stones are more likely to have visible inclusions located towards the center of the table when you look at the stone from the top.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fluorescence\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Fluorescence:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">Fluorescence doesn\u2019t have any visual effect on the diamond appearance in normal light, but if you consider the statistics, then about 30% of diamonds emit some degree of fluorescence when they are exposed to concentrated UV light.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">That is the reason why most of the gemological laboratories in the world don\u2019t even mention the fluorescence color and intensity on their certificates. Even GIA and HRD include a single line on their certificates that just indicates the color and intensity of the diamond\u2019s fluorescence.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">So now the important question comes; what will be influenced by the color and intensity of fluorescence? And the answer is Lustre. Luster refers to the level of milkiness and cloudiness in a diamond that occur due to the negative visual impact of fluorescence.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">The luster in the diamond grades as follows:<\/span><\/p>\n<p><center><br \/>\n<img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-1262\" src=\"https:\/\/hk.co\/blog\/wp-content\/uploads\/2020\/07\/image2-300x179.png\" alt=\"\" width=\"494\" height=\"295\" srcset=\"https:\/\/www.hk.co\/blog\/wp-content\/uploads\/2020\/07\/image2-300x179.png 300w, https:\/\/www.hk.co\/blog\/wp-content\/uploads\/2020\/07\/image2-120x71.png 120w, https:\/\/www.hk.co\/blog\/wp-content\/uploads\/2020\/07\/image2.png 502w\" sizes=\"(max-width: 494px) 85vw, 494px\" \/><\/center><span style=\"font-weight: 400; color: #000000;\">L1: Perfectly crisp and clear with no milkiness.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">L2: The cloudiness is there but can be very hard to spot for inexperienced eyes.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">M1: Milkiness can be easily spotted.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">M2: Moderately milky.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">M3: Very cloudy and milky.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Since a luster grade is never issued as a grading certificate, it\u2019s rarely discussed and often overlooked.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Beyond_instantaneous_grading\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Beyond instantaneous grading:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; color: #000000;\">There are many ways to ensure that whether your diamond is real or not; apart from the instantaneous grading. So, let\u2019s have a look. But again, remember that none of the presented methods is 100% accurate.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Light_distortion\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Light distortion:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">We all know the fact that the real diamonds distort the light, so in that case, you should not be able to see the stone&#8217;s bottom through its top. You can also place it over a printed text, and you should not be able to see the printed symbols clearly through the diamond if it\u2019s real.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">However, if the diamond has an atypical cut, then this test is not reliable.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Heat_dissipation\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Heat dissipation:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">If your diamond is real, it should not be easily heated up. So, you can hold the diamond in front of your mouth and breathe on it in order to fog it, and if the fog doesn\u2019t disappear right away, then your diamond is probably fake.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Imperfections\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Imperfections:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">No natural diamond ever be perfect, it always has some internal flaws. On the other hand, fake diamonds usually don\u2019t have any flaws. So, if your stone is perfect and clear, then it\u2019s probably not a real diamond.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diamond_Testers\"><\/span><span style=\"color: #293896; font-size: large;\"><b>Diamond Testers:<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400; color: #000000;\">Diamond Testers are portable devices that test the thermal or electrical conductivity of the stone and indicate whether the stone is a real diamond based on these physical properties.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">But the testers that only measure thermal conductivity are not efficient; as a real diamond and moissanite both stones are very similar when it comes to interaction with heat. However, the devices that test for both electrical and heat conductivity are more accurate.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Nowadays, almost every diamond retailer has a diamond tester, so you can test your diamond on the premises itself.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">At HK, we strongly believe in hard work and persistence. Our unique designs crafted with the highest quality have fetched us unanimous praise in the global market.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">Our commitment towards offering innovation with quality and consistency recognized us as one of the leading Jewellery Exporters from India to the USA, Hong Kong, UK, Israel, UAE, and Belgium.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Want to be a part of our wide-spread HK family or looking for our exclusive inventory of GIA certified diamonds? Just register or sign in at <\/span><span style=\"color: #293896;\"><a style=\"color: #293896;\" href=\"https:\/\/hk.co\/signup\" target=\"_blank\" rel=\"noopener noreferrer\"><b>hk.co<\/b><\/a><\/span><span style=\"font-weight: 400;\">.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Often referred to as the 5th C of diamond grading; the diamond certificate is essential when you buy a diamond &hellip; <\/p>\n","protected":false},"author":1,"featured_media":1571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[31],"tags":[123,124],"post_folder":[],"class_list":["post-1260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hk-event","tag-diamond-quality-guide","tag-how-to-tell-the-quality-of-a-diamond"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Value of Diamond Beyond Certification | Buy diamond online<\/title>\n<meta name=\"description\" content=\"Now buy real value of Diamond online easily with our diamond quality guide: How to tell the quality of diamond beyond 4Cs\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diamond quality guide: How to tell the quality of diamond beyond 4Cs\" \/>\n<meta property=\"og:description\" content=\"Now buy real diamonds online easily with our diamond quality guide: How to tell the quality of diamond beyond 4Cs\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hk.co\/blog\/diamond-quality-guide-beyond-4cs\/\" \/>\n<meta property=\"og:site_name\" content=\"Hari Krishna - Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/HKDiamonds\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-21T18:58:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-26T09:58:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hk.co\/blog\/wp-content\/uploads\/2020\/07\/Social-Media-Image-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hari Krishna\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Diamond quality guide: How to tell the quality of diamond beyond 4Cs\" \/>\n<meta name=\"twitter:description\" content=\"Now buy real diamonds online easily with our diamond quality guide: How to tell the quality of diamond beyond 4Cs\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.hk.co\/blog\/wp-content\/uploads\/2020\/07\/Social-Media-Image-1.jpg\" \/>\n<meta name=\"twitter:creator\" content=\"@HKDiamonds\" \/>\n<meta name=\"twitter:site\" content=\"@HKDiamonds\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hari Krishna\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.hk.co\/blog\/diamond-quality-guide-beyond-4cs\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.hk.co\/blog\/diamond-quality-guide-beyond-4cs\/\"},\"author\":{\"name\":\"Hari Krishna\",\"@id\":\"https:\/\/www.hk.co\/blog\/#\/schema\/person\/7043ab51d22dfa61cf28d37813dc8b75\"},\"headline\":\"Validate the original diamond quality &#8211; 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