The Diamond you receive will be exact color, clarity and cut. The only difference could be the IGI certificate which might differ from the listed stone. IGI Lab is the 2nd most reputable & trustworthy Lab after GIA.
Big! 12.67ct 15×13.4mm VS Oval Natural Unheated Green Tourmaline, Mozambique
This exquisite 1 piece(s) of Natural Tourmaline originates from Mozambique, Africa, weighing a total of 12.67 carats. The stone is Unheated Untreated. Origin: Mozambique, Africa. Gem Type: Natural Tourmaline.