{"id":3167,"date":"2021-12-08T16:14:00","date_gmt":"2021-12-08T14:14:00","guid":{"rendered":"http:\/\/install.b63.eu\/?page_id=3167"},"modified":"2026-10-31T18:10:18","modified_gmt":"2026-10-31T16:10:18","slug":"diamonds","status":"publish","type":"page","link":"https:\/\/valentin.bg\/en\/diamonds\/","title":{"rendered":"Diamonds"},"content":{"rendered":"<style>\r\n.vc4c{--red:#E2000F;--ink:#1d1d1b;--muted:#5f5f5c;--line:#1d1d1b;--soft:#f6f4f1;--gold:#a8793f;\r\n color:var(--ink);font-family:palatino-linotype-regular-font,Pala-2,'Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;font-size:16px;line-height:1.65;max-width:1140px;margin:0 auto 40px}\r\n.vc4c *{box-sizing:border-box}\r\n.vc4c p,.vc4c li,.vc4c dd{margin:0 0 1em;font-family:palatino-linotype-regular-font,Pala-2,'Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif}\r\n.vc4c li,.vc4c dd{margin:0}\r\n.vc4c-kicker,.vc4c-sub,.vc4c-nav a,.vc4c-ladder li,.vc4c-cut li,.vc4c-carat li,.vc4c-gia p,.vc4c-gia-src,.vc4c-cta 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a{color:var(--gold)}\r\n.vc4c-about{background:var(--soft);padding:40px clamp(18px,4vw,56px);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center}\r\n.vc4c-about h2{font-family:Pala-2,'Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;letter-spacing:.04em}\r\n.vc4c-sign{text-align:center}\r\n.vc4c-sign p{font-family:Pala-2,'Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;color:var(--red);font-size:22px;margin:0 0 12px}\r\n.vc4c-sign img{margin:0 auto;max-width:260px}\r\n.vc4c-cta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}\r\n.vc4c-cta a{background:var(--red);color:#fff;padding:10px 18px;text-decoration:none;font-size:14px;letter-spacing:.06em}\r\n.vc4c-cta a.alt{background:transparent;color:var(--red);border:1px solid var(--red)}\r\n.vc4c-cta a:hover{opacity:.88}\r\n.vc4c a:focus-visible{outline:2px solid var(--red);outline-offset:3px}\r\n@media (max-width:860px){\r\n .vc4c-hero,.vc4c-row.rev,.vc4c-about{grid-template-columns:minmax(0,1fr)}\r\n .vc4c-row{grid-template-columns:minmax(0,1fr);gap:22px}\r\n .vc4c-ladder{display:flex;flex-wrap:wrap;border:0;min-width:0;gap:4px}\r\n .vc4c-ladder li,.vc4c-ladder li:first-child{border:1px solid var(--line);padding:2px 9px}\r\n .vc4c-ladder.grp li span{display:none}\r\n .vc4c-cut li{font-size:10px;letter-spacing:.02em;padding:10px 2px;overflow-wrap:anywhere}\r\n .vc4c-cut li span{font-size:10px}\r\n .vc4c-defs div{grid-template-columns:78px minmax(0,1fr);font-size:14px}\r\n .vc4c-band{height:32px;background-size:auto 32px}\r\n}\r\n<\/style>\r\n<div class=\"vc4c\">\r\n<div class=\"vc4c-band\" role=\"presentation\"><\/div>\r\n\r\n<section class=\"vc4c-hero\">\r\n<div>\r\n<p class=\"vc4c-kicker\">Diamond basics<\/p>\r\n<h1>How diamond quality is graded<\/h1>\r\n<div class=\"vc4c-4cs\"><b>4Cs<\/b><span>The 4Cs of<br>Diamond Quality<\/span><\/div>\r\n<p class=\"vc4c-motto\">Beautiful, rare, priceless<\/p>\r\n<p>Every diamond is unique \u2013 a miracle of nature, place and time. And each one has specific qualities that determine its value.<\/p>\r\n<p>Until the middle of the 20th century, there was no agreed standard for grading diamonds. GIA created the first globally accepted standard for describing diamonds: color, clarity, cut and carat weight. Today the 4Cs are the universal method for assessing the quality of any diamond, anywhere in the world, and they describe diamond quality in a clear, universal language.<\/p>\r\n<ul class=\"vc4c-nav\">\r\n<li><a href=\"#color\">Color<\/a><\/li><li><a href=\"#clarity\">Clarity<\/a><\/li>\r\n<li><a href=\"#cut\">Cut<\/a><\/li><li><a href=\"#carat\">Carat<\/a><\/li>\r\n<li><a href=\"#gia\">GIA report<\/a><\/li>\r\n<\/ul>\r\n<\/div>\r\n<div class=\"vc4c-gia\">\r\n<img loading=\"lazy\" src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-gia-round-diamond-1.webp\" alt=\"Round brilliant diamond graded by GIA\" width=\"316\" height=\"319\" decoding=\"async\">\r\n<p>We offer diamonds graded by <strong>GIA<\/strong><\/p>\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-sec\" id=\"color\">\r\n<h2>Color scale<\/h2>\r\n<p class=\"vc4c-sub\">Color<\/p>\r\n<div class=\"vc4c-row\">\r\n<ul class=\"vc4c-ladder grp\" aria-label=\"GIA color scale from D to Z\"><li>D <span class=\"vc4c-group\">colorless<\/span><\/li><li>E<\/li><li>F<\/li><li>G <span class=\"vc4c-group\">near colorless<\/span><\/li><li>H<\/li><li>I<\/li><li>J<\/li><li>K <span class=\"vc4c-group\">faint<\/span><\/li><li>L<\/li><li>M<\/li><li>N <span class=\"vc4c-group\">very light<\/span><\/li><li>O<\/li><li>P<\/li><li>Q<\/li><li>R<\/li><li>S <span class=\"vc4c-group\">light<\/span><\/li><li>T<\/li><li>U<\/li><li>V<\/li><li>W<\/li><li>X<\/li><li>Y<\/li><li>Z<\/li><\/ul>\r\n<div>\r\n<p>Understanding what diamond color means helps you choose the right stone. Color grading is based on the absence of color. A chemically pure and structurally perfect diamond has no hue, like a drop of pure water, and therefore a higher value.<\/p>\r\n<p>A gemologist who specializes in color measures how colorless a diamond is under controlled lighting and precise conditions. The result is expressed on the GIA scale, from D to Z.<\/p>\r\n<p>Many of these color differences are so subtle that they are invisible to the naked eye, yet they make a very big difference in diamond quality and price.<\/p>\r\n<figure class=\"vc4c-figs\" style=\"grid-template-columns:minmax(0,1fr)\"><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-color-scale-d-to-p-1.png\" alt=\"Diamond color scale from D to P\" width=\"437\" height=\"178\" loading=\"lazy\" decoding=\"async\">\r\n<figcaption>Diamonds from D to P \u2013 the higher on the scale, the more colorless the stone.<\/figcaption><\/figure>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-sec\" id=\"clarity\">\r\n<h2>Clarity scale<\/h2>\r\n<p class=\"vc4c-sub\">Clarity<\/p>\r\n<div class=\"vc4c-row\">\r\n<ul class=\"vc4c-ladder big\" aria-label=\"GIA clarity scale\"><li>FL<\/li><li>IF<\/li><li>VVS1<\/li><li>VVS2<\/li><li>VS1<\/li><li>VS2<\/li><li>SI1<\/li><li>SI2<\/li><li>I1<\/li><li>I2<\/li><li>I3<\/li><\/ul>\r\n<div>\r\n<p>Diamonds are carbon exposed to extreme heat and pressure. This creates internal characteristics called inclusions and external ones called blemishes.<\/p>\r\n<p>Clarity grading means assessing the number, size, relief, nature and position of these characteristics, and how they affect the overall appearance of the stone.<\/p>\r\n<p>If you are trying to decide on the best clarity, remember that no diamond is perfectly pure. But the closer it comes to purity, the higher its value.<\/p>\r\n<dl class=\"vc4c-defs\"><div><dt>FL<\/dt><dd>No inclusions or blemishes visible under 10x magnification.<\/dd><\/div><div><dt>IF<\/dt><dd>No inclusions visible under 10x magnification.<\/dd><\/div><div><dt>VVS1, VVS2<\/dt><dd>Inclusions so slight they are very difficult to see under 10x magnification.<\/dd><\/div><div><dt>VS1, VS2<\/dt><dd>Inclusions seen with effort under 10x magnification, but minor.<\/dd><\/div><div><dt>SI1, SI2<\/dt><dd>Inclusions noticeable under 10x magnification.<\/dd><\/div><div><dt>I1, I2, I3<\/dt><dd>Obvious inclusions under 10x magnification that may affect transparency and brilliance.<\/dd><\/div><\/dl>\r\n<\/div>\r\n<\/div>\r\n<div class=\"vc4c-figs\">\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-diamond-anatomy-gia-1.webp\" alt=\"GIA anatomy of a diamond\" width=\"690\" height=\"460\" loading=\"lazy\" decoding=\"async\"><figcaption>Anatomy of a diamond<\/figcaption><\/figure>\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-clarity-scale-1.webp\" alt=\"Diamond clarity scale \u2013 from FL and IF to SI\" width=\"1139\" height=\"388\" loading=\"lazy\" decoding=\"async\"><figcaption>Inclusions at different clarity grades<\/figcaption><\/figure>\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-sec\" id=\"cut\">\r\n<h2>Cut scale<\/h2>\r\n<p class=\"vc4c-sub\">Cut<\/p>\r\n<ul class=\"vc4c-cut\" aria-label=\"GIA cut scale\"><li>Excellent<span>excellent<\/span><\/li><li>Very good<span>very good<\/span><\/li><li>Good<span>good<\/span><\/li><li>Fair<span>fair<\/span><\/li><li>Poor<span>poor<\/span><\/li><\/ul>\r\n<div class=\"vc4c-row rev\">\r\n<div>\r\n<p>The GIA Diamond Cut Scale for standard round brilliant diamonds in the D-to-Z color range has 5 grades, from Excellent to Poor, and is the standard scale for grading diamond cut.<\/p>\r\n<p>Achieving the best cut is reflected in the stone\u2019s final beauty and value. Of all the 4Cs, it is the most complex and technically difficult to analyze. GIA calculates the proportions that affect a diamond\u2019s appearance, and specialists study how well the diamond interacts with light to create the desired visual effects \u2013 reflection, refraction and sparkle.<\/p>\r\n<p class=\"vc4c-quality\">Quality<\/p>\r\n<\/div>\r\n<img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-diamond-shapes-1.webp\" alt=\"Emerald, cushion and round cut diamonds\" width=\"643\" height=\"576\" loading=\"lazy\" decoding=\"async\">\r\n<\/div>\r\n<div class=\"vc4c-figs\">\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-cut-scale-1.png\" alt=\"Diamond cut scale \u2013 from ideal to very deep\" width=\"512\" height=\"213\" loading=\"lazy\" decoding=\"async\"><figcaption>How proportions change the path of light in a diamond<\/figcaption><\/figure>\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-hearts-arrows-1.webp\" alt=\"Hearts and arrows pattern of an excellent cut\" width=\"934\" height=\"425\" loading=\"lazy\" decoding=\"async\"><figcaption>An excellent cut \u2013 the hearts and arrows pattern<\/figcaption><\/figure>\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-sec\" id=\"carat\">\r\n<h2>Carat weight<\/h2>\r\n<p class=\"vc4c-sub\">Carat weight<\/p>\r\n<div class=\"vc4c-row rev\">\r\n<div>\r\n<p>The carat is the unit that measures a diamond\u2019s weight: 1 carat (ct) = 0.20 grams. A diamond\u2019s value, however, is set by all of the 4Cs, not by carat weight alone. All else being equal, price rises with weight, because larger diamonds are rarer and more desirable.<\/p>\r\n<p>Even so, two diamonds of the same carat weight can differ greatly in price, depending on the other three factors: color, clarity and cut.<\/p>\r\n<div class=\"vc4c-carat\"><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-carat-sizes-1.png\" alt=\"Diamonds from 0.50 to 2.00 ct side by side\" width=\"493\" height=\"118\" loading=\"lazy\" decoding=\"async\">\r\n<ul><li>0.50 ct<\/li><li>0.75 ct<\/li><li>1.00 ct<\/li><li>1.50 ct<\/li><li>2.00 ct<\/li><\/ul><\/div>\r\n<\/div>\r\n<img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-carat-ring-1.webp\" alt=\"VALENTIN three-stone diamond engagement ring\" width=\"1000\" height=\"582\" loading=\"lazy\" decoding=\"async\">\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-sec\" id=\"gia\">\r\n<h2>GIA report<\/h2>\r\n<p class=\"vc4c-sub\">The GIA report<\/p>\r\n<div class=\"vc4c-row rev\">\r\n<div>\r\n<p>The GIA report gives an impartial assessment of the 4Cs. As an extra safeguard, the diamond has a laser inscription on its girdle with the report number \u2013 for example, \u201cGIA 6345716733\u201d.<\/p>\r\n<p>The GIA report guarantees the diamond\u2019s origin and quality.<\/p>\r\n<p class=\"vc4c-gia-src\">Gemological Institute of America \u00b7 <a href=\"https:\/\/www.gia.edu\/\" target=\"_blank\" rel=\"noopener\">Learn more at GIA.edu<\/a><\/p>\r\n<div class=\"vc4c-cta\"><a href=\"\/en\/proverka-na-sertifikati\/\">Verify a certificate<\/a><\/div>\r\n<\/div>\r\n<img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-gia-laser-inscription-1.webp\" alt=\"GIA report and the laser inscription of the report number on the diamond\" width=\"852\" height=\"575\" loading=\"lazy\" decoding=\"async\">\r\n<\/div>\r\n<div class=\"vc4c-figs\" style=\"grid-template-columns:repeat(auto-fit,minmax(240px,420px));justify-content:center\">\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-gia-reports-1.webp\" alt=\"GIA reports for diamonds and colored gemstones\" width=\"690\" height=\"460\" loading=\"lazy\" decoding=\"async\"><\/figure>\r\n<figure><img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-rough-and-cut-diamond-1.webp\" alt=\"A rough and a cut diamond\" width=\"450\" height=\"450\" loading=\"lazy\" decoding=\"async\"><\/figure>\r\n<\/div>\r\n<\/section>\r\n\r\n<div class=\"vc4c-band sm\" role=\"presentation\"><\/div>\r\n<section class=\"vc4c-about\">\r\n<div>\r\n<h2>VALENTIN Gold &amp; Diamonds<\/h2>\r\n<p>VALENTIN Gold &amp; Diamonds is a Bulgarian company founded in 1986, offering fine jewelry and precious stones. Our jewelry is a benchmark of quality and individuality. We put our clients first and follow every current standard of security and professional ethics in offering diamond jewelry. Diamonds of 0.30 ct and above come with an individual GIA or IGI report.<\/p>\r\n<p>GIA\u2019s diamond grading standards are accepted worldwide \u2013 almost every diamond is described in the language GIA developed. Over the years, other laboratories have issued reports too, but GIA is recognized as the unrivaled source of accuracy and integrity in diamond grading. A GIA report is a guarantee of the origin and value of the diamonds we offer.<\/p>\r\n<div class=\"vc4c-cta\"><a href=\"\/en\/product-category\/engagement-rings\/\">Diamond engagement rings<\/a><a class=\"alt\" href=\"\/en\/how-to-choose-an-engagement-ring\/\">How to choose an engagement ring<\/a><\/div>\r\n<\/div>\r\n<div class=\"vc4c-sign\">\r\n<p>With compliments of<\/p>\r\n<img src=\"https:\/\/d8lnrscct89eb.cloudfront.net\/wp-content\/uploads\/2026\/10\/4c-valentin-logo-1.png\" alt=\"VALENTIN Gold &amp; Diamonds, since 1986\" width=\"600\" height=\"251\" loading=\"lazy\" decoding=\"async\">\r\n<\/div>\r\n<\/section>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u041f\u043e\u043d\u044f\u0442\u0438\u044f \u0437\u0430 \u0434\u0438\u0430\u043c\u0430\u043d\u0442\u0438\u0442\u0435 \u041a\u0430\u043a \u0441\u0435 \u043e\u0446\u0435\u043d\u044f\u0432\u0430 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e\u0442\u043e \u043d\u0430 \u0434\u0438\u0430\u043c\u0430\u043d\u0442\u0430 4CsThe 4Cs ofDiamond Quality \u041a\u0440\u0430\u0441\u0438\u0432, \u0440\u044f\u0434\u044a\u043a, \u0431\u0435\u0437\u0446\u0435\u043d\u0435\u043d \u0412\u0441\u0435\u043a\u0438 \u0434\u0438\u0430\u043c\u0430\u043d\u0442 \u0435 \u0443\u043d\u0438\u043a\u0430\u043b\u0435\u043d \u2013 \u0442\u043e\u0439 \u0435 \u0447\u0443\u0434\u043e \u043d\u0430 \u043f\u0440\u0438\u0440\u043e\u0434\u0430\u0442\u0430, \u043c\u044f\u0441\u0442\u043e\u0442\u043e \u0438 \u0432\u0440\u0435\u043c\u0435\u0442\u043e. \u0418 \u0432\u0441\u0435\u043a\u0438 \u0438\u043c\u0430 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u0438 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430, \u043a\u043e\u0438\u0442\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0442 \u043d\u0435\u0433\u043e\u0432\u0430\u0442\u0430 \u0441\u0442\u043e\u0439\u043d\u043e\u0441\u0442. \u0414\u043e \u0441\u0440\u0435\u0434\u0430\u0442\u0430 \u043d\u0430 \u0425\u0425 \u0432\u0435\u043a \u043d\u044f\u043c\u0430\u0448\u0435 \u043e\u0431\u0449\u043e\u043f\u0440\u0438\u0435\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0437\u0430 \u043e\u0446\u0435\u043d\u043a\u0430 \u043d\u0430 \u0434\u0438\u0430\u043c\u0430\u043d\u0442\u0438\u0442\u0435. GIA \u0441\u044a\u0437\u0434\u0430\u0434\u0435 \u043f\u044a\u0440\u0432\u0438\u044f \u0441\u0432\u0435\u0442\u043e\u0432\u043d\u043e \u043f\u0440\u0438\u0435\u0442 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3167","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/pages\/3167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/comments?post=3167"}],"version-history":[{"count":1,"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/pages\/3167\/revisions"}],"predecessor-version":[{"id":19962,"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/pages\/3167\/revisions\/19962"}],"wp:attachment":[{"href":"https:\/\/valentin.bg\/en\/wp-json\/wp\/v2\/media?parent=3167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}