A platinum cluster ring set with an emerald cut lab grown diamond surrounded by a halo of smaller diamonds with diamond set shoulders. 1.05ct lab grown diamond, E colour, VS2 clarity, IGI certificated. 0.36ct total other lab grown diamond weight. A lab grown diamond is a real diamond that is grown in a laboratory rather than naturally within the Earth's core, it has the same chemical and physical structure as a natural diamond. The main difference between lab grown and natural diamonds is the origin and rarity. To find out more information about lab grown diamonds please read our blog.