AllNews'Perpetual Diamond' - 1 News Result(s)Is The Diamond Moving Or Still? Watch Mind-Boggling Optical IllusionOffbeat | NDTV News Desk | Friday June 7, 2019 A mind-bending optical illusion has gone viral on Twitter this week. Called the Perpetual Diamond, it features a purple diamond on a grey background. www.ndtv.com'Perpetual Diamond' - 1 News Result(s)Is The Diamond Moving Or Still? Watch Mind-Boggling Optical IllusionOffbeat | NDTV News Desk | Friday June 7, 2019 A mind-bending optical illusion has gone viral on Twitter this week. Called the Perpetual Diamond, it features a purple diamond on a grey background. www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com