Laboratory Diamond Jewellery › 4.01Ct Lab Diamond Stud Earrings - IGI Certified - SQ6648508 Image 1 of 1 4.01Ct Lab Diamond Stud Earrings - IGI Certified - SQ6648508 $5,750.00 sold out 18Kt White Gold Lab Diamond Stud Earrings. Total Diamond Weight 4.01Ct of E COlour SI1 Clarity. IGI Certified Sold Out Added! 18Kt White Gold Lab Diamond Stud Earrings. Total Diamond Weight 4.01Ct of E COlour SI1 Clarity. IGI Certified