--- title: Flawless 404-Carat Diamond Discovered in Angola Mine description: It is the 27th biggest ever discovered. canonical: https://time.com/4225498/flawless-diamond-carat-angola/ author: NBC News article:opinion: false article:content_tier: free article:published_time: 2016-02-16T14:54:05.000Z article:modified_time: 2026-02-22T15:06:18.456Z article:section: Science og:title: Flawless 404-Carat Diamond Discovered in Angola Mine og:description: It is the 27th biggest ever discovered og:url: https://time.com/4225498/flawless-diamond-carat-angola/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: Flawless 404-Carat Diamond Discovered in Angola Mine twitter:description: It is the 27th biggest ever discovered twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Flawless 404-Carat Diamond Discovered in Angola Mine by [Ali Gostanian / NBC News](/author/nbc-news/) ## Ali Gostanian / NBC News Feb 16, 2016 2:54 PM CUT by [Ali Gostanian / NBC News](/author/nbc-news/) ## Ali Gostanian / NBC News Feb 16, 2016 2:54 PM CUT Good luck getting this rock on an engagement ring. A “spectacular” 404.2-carat diamond — which is almost three inches long — has been found in Angola. It is the 27th biggest ever discovered, according to the Australia-based Lucapa Diamond Company. It has been analyzed as a rare Type IIa, a category that makes up less than 1 percent of the world’s diamonds and means it is virtually flawless. The diamond is the largest ever found in Angola, at almost twice the weight of the 217.4-carat “Angolan Star” recovered in 2007. Lucapa did not give any indication of the value of the diamond, which was… [_Read the rest of this story from our partners at NBC News_](http://www.nbcnews.com/news/world/404-2-carat-diamond-s-virtually-flawless-found-angola-n519266?cid=par-time%5F20160216 "undefined") ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4225498/flawless-diamond-carat-angola/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4225498/flawless-diamond-carat-angola/"},"headline":"Flawless 404-Carat Diamond Discovered in Angola Mine","datePublished":"2016-02-16T14:54:05.000Z","dateModified":"2026-02-22T15:06:18.456Z","description":"It is the 27th biggest ever discovered","url":"https://time.com/4225498/flawless-diamond-carat-angola/","keywords":["Environment","Money","World","Archaeology","earth","Diamond"],"thumbnailUrl":"","author":[{"@type":"Person","name":"Ali Gostanian / NBC News"}],"articleSection":"Science","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/science/","name":"Science"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/4225498/flawless-diamond-carat-angola/","name":"Flawless 404-Carat Diamond Discovered in Angola Mine"}}]}] ```