Esteem Diamond System Pvt. Ltd. Offers Emerald Cut Polished Diamond. Diamond System Pvt. Ltd. Supplies polished diamonds. Emerald Cut Polished Diamond is available in heart and arrow pattern which generates light return of an average 98 % in comparison with an average hearts & arrows that has a light return of an average 80%.The "color" of Emerald Cut Polished Diamond refers to its degree of "yellowness." The standard of the perfect degrees of Emerald Cut Polished Diamond is used for maximum brilliance, blended with perfect degrees of the hearts & arrows, results in the best diamond.