Rocks Forever Collection: Bella 18ct Yellow Gold Ring with Oval Cut Centre Diamond in a Classic Four Claw Platinum Setting The classic 4 claw style is built to last a lifetime with it's secure claw setting. The classic style is made even more elegant with the slightly tappered shoulders leading up to the centre diamond. Diamond Carat Weight: 1.01ct Diamond Colour: D Laboratory Grown Certified Diamond 'Lab grown' diamonds or 'laboratory grown' diamonds are beautiful and affordable alternatives to the traditionally, earth mined stone. In many ways, lab grown diamonds are exactly like their natural counterpart, however, thanks to advancements in science and technology, customers can enjoy all the sparkle and preciousness of a diamond at a financial and environmental price they are willing to pay. Lab grown diamonds and natural mined diamonds undergo the same rigorous diamond grading process. Each are independently graded using the 4C’s – Cut, Colour, Clarity, and Carat. The top three cert houses are GIA, IGI and HRD.