Laboratory Diamond Jewellery › 4.13Ct Lab Grown Diamond Studs - SQ7472651 Image 1 of 1 4.13Ct Lab Grown Diamond Studs - SQ7472651 $9,850.00 sold out 4.13Ct Total Weight Lab Grown Diamond Studs. Set in 18kt White Gold. F/G Colour Si2. IGI Certified Sold Out Added! 4.13Ct Total Weight Lab Grown Diamond Studs. Set in 18kt White Gold. F/G Colour Si2. IGI Certified