Caratlane is an Indian online portal that sells jewellery.itwas founded by Mithun sacheti and Srinivasa Gopalan in 2008.Caratlane inventory include diamond jewellery and gold coins.Theheadquarters of caratlane is in Chennai, Tamil Nadu.In 2011, dataquest, sapient nitro and juxtconsult conducted a study to identify the most popular eCommerce site in India caratlane was in the top 20.It was also identified as the best in terms of usability and user interface design.it also haves a 3D app