Check latest Diamond rate across Delhi in Indian Rupees, US Dollars and more per Carat and Gram today. See today 's natural and lab-grown diamond prices in India. Understand fair prices for your diamond . Check latest Diamond rate across India in Indian Rupees, US Dollars and more per Carat and Gram today. Price of 1 cent Diamond in Indian Rupees As a practice, the price of a diamond depends on the 4 features/characteristics known as '4C's' - Carat, Color, Clarity, and Cut. Among these 4 features, Carat is the most important factor. Similar to a Carat, Cent is also a commonly used measurement unit for diamonds . Please note that 100 Carats equals 1 Cent: that is, 1 cent is equal to 0.01 Carat. So, according to the value of the Cent of the diamond , the price of a diamond can vary significantly ...