Laboratory Diamond Jewellery › 3.08Ct Lab Diamond Stud Earrings. IGI Certified - SQ9399394 Image 1 of 1 3.08Ct Lab Diamond Stud Earrings. IGI Certified - SQ9399394 $3,450.00 sold out 18Kt White Gold Lab Diamond Stud Earrings. IGI Certified. Total Diamond Weight 3.08Ct F Colour SI2 Clarity. Sold Out Added! 18Kt White Gold Lab Diamond Stud Earrings. IGI Certified. Total Diamond Weight 3.08Ct F Colour SI2 Clarity.