{"id":80713,"date":"2026-08-04T18:27:11","date_gmt":"2026-08-04T12:57:11","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=80713"},"modified":"2026-08-04T18:28:13","modified_gmt":"2026-08-04T12:58:13","slug":"lab-grown-diamonds-2","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/04-08-2026\/lab-grown-diamonds-2","title":{"rendered":"Lab-grown Diamonds As a Sustainable Alternative to Mined Stones"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/S&amp;T\/Environment<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lab-grown diamonds are <strong>emerging as a sustainable alternative to the mined stones.<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>About<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Some of the world\u2019s largest diamond mines, such as the<strong> Argyle mine in Australia and the Diavik mine in Canada,<\/strong> have reached a <strong>point of exhaustion in recent years.\u00a0<\/strong><\/li>\n\n\n\n<li>This depletion has worsened year by year, and production is now at a multi-decade low.\n<ul class=\"wp-block-list\">\n<li>It is estimated that the <strong>40 diamond mines accounting for 90% of global production<\/strong> spread throughout Botswana, Russia and other countries have a lifespan of no more than 50 years.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concerns Associated with Diamond Mining<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Environmental Concerns: <\/strong>Diamond mining requires large amounts of water and energy and causes considerable damage to the surrounding ecosystems.\n<ul class=\"wp-block-list\">\n<li>It is often associated with deforestation, displacement, soil erosion and water pollution.\u00a0<\/li>\n\n\n\n<li>Massive open-pit excavations can also trigger landslides and mudslides.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Health Hazards:<\/strong> Labourers suffer from a plethora of diseases as a result of working in diamond mines.\n<ul class=\"wp-block-list\">\n<li>A study in 2011 found that workers are at risk of asbestos exposure and may develop asbestos-related diseases, including asbestosis, pleural plaques, and mesothelioma.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Blood Diamonds:<\/strong> These are mined diamonds involved in illicit sales and used to fund military action. It is nearly impossible to deduce a diamond\u2019s geographic origin.\n<ul class=\"wp-block-list\">\n<li>Although the Kimberley Process was introduced to verify that diamonds are conflict-free, regulatory gaps continue to allow blood diamonds to be smuggled across borders.\u00a0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Carbon Footprint: <\/strong>Diamonds created using coal-heavy power grids have higher carbon emissions, while those manufactured using renewable energy sources have a much lower carbon footprint.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Lab-Grown Diamond as an Alternative<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The first<strong> proven synthetic diamonds<\/strong> were made <strong>by GE (General Electric) in 1954, <\/strong>under a project codenamed <strong>\u201cProject Superpressure.\u201d\u00a0<\/strong>\n<ul class=\"wp-block-list\">\n<li>They utilised the <strong>HPHT (High Pressure, High Temperature) process, <\/strong>which mimics the conditions under which natural diamonds form in the Earth\u2019s mantle.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Lab-grown diamonds are<strong> chemically, physically and optically identical<\/strong> to their natural counterparts.\u00a0<\/li>\n\n\n\n<li><strong>Composition: <\/strong>Pure carbon<\/li>\n\n\n\n<li><strong>Crystal structure: <\/strong>Same as natural diamonds (cubic crystal lattice)<\/li>\n\n\n\n<li>They are made using technologies like the <strong>chemical vapour deposition (CVD) and high-pressure high temperature (HPHT).<\/strong><\/li>\n\n\n\n<li><strong>HPHT (High Pressure High Temperature)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mimics the Earth\u2019s mantle conditions.<\/li>\n\n\n\n<li>Carbon is subjected to extremely high pressure and temperature to form diamonds.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>CVD (Chemical Vapour Deposition)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Carbon-rich gas (like methane) is broken down in a vacuum chamber.<\/li>\n\n\n\n<li>Carbon atoms deposit layer by layer on a diamond seed crystal.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>How are they different from Natural?<\/strong> The natural diamonds contain<strong> small traces of nitrogen,<\/strong> whereas the lab-grown diamonds are <strong>nitrogen-free<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Lab-grown diamonds are <strong>eco-friendly and conflict-free<\/strong>. Unlike mined diamonds, which displace up to 250 tonnes of earth and emit greenhouse gases, lab-grown diamonds use less water and energy.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Market of Lab Grown Diamonds: <\/strong>As of 2024 around <strong>90% of the world\u2019s diamonds are processed in India, <\/strong>accounting for approximately <strong>75% of global turnover by value.<\/strong>\n<ul class=\"wp-block-list\">\n<li>The lab-grown diamond market is expected to make up 16% of the global diamond market by 2029 from 12% in 2024.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img data-dominant-color=\"d4d6d9\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"1021\" height=\"1024\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23-1021x1024.png\" alt=\"\" class=\"not-transparent wp-image-80714\" style=\"--dominant-color: #d4d6d9; aspect-ratio:0.9970881169204519;width:515px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23-1021x1024.png 1021w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23-300x300.png 300w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23-150x150.png 150w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23-768x770.png 768w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/08\/image-23.png 1200w\" sizes=\"auto, (max-width: 1021px) 100vw, 1021px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The lab-grown diamonds <strong>align with the United Nations Sustainable Development Goals (SDGs),<\/strong> which emphasise the transition to cleaner energy systems and more sustainable manufacturing practices.\u00a0<\/li>\n\n\n\n<li>Furthermore, the use of renewable energy in diamond production reflects the principles of a<strong> circular economy,<\/strong> where resources are utilised more efficiently and environmental impacts are minimised throughout a product\u2019s life cycle.<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/why-lab-grown-diamonds-are-a-sustainable-alternative-to-mined-stones\/article71301201.ece#:~:text=Natural%20diamond%20mining%20is%20facing,in%20indigenous%20production%20and%20research\" target=\"_blank\" rel=\"noopener\"><strong>TH<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong> Context <\/strong><\/p>\n<li class=\"ms-5\"> Lab-grown diamonds are emerging as a sustainable alternative to the mined stones. <\/li>\n<p><\/p>\n<p><strong> About <\/strong><\/p>\n<li class=\"ms-5\"> Some of the world\u2019s largest diamond mines, such as the Argyle mine in Australia and the Diavik mine in Canada, have reached a point of exhaustion in recent years.\u00a0 <\/li>\n<li class=\"ms-5\"> This depletion has worsened year by year, and production is now at a multi-decade low. <\/li>\n<p><a href=\" https:\/\/www.nextias.com\/ca\/current-affairs\/04-08-2026\/lab-grown-diamonds-2 \" class=\"btn btn-primary btn-sm float-end\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-80713","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/80713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=80713"}],"version-history":[{"count":3,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/80713\/revisions"}],"predecessor-version":[{"id":80718,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/80713\/revisions\/80718"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=80713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=80713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=80713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}