Laboratory Diamond Jewellery › 1.30Ct Lab Diamond Stud Earrings. IGI Certified - SQ7355583 Image 1 of 1 1.30Ct Lab Diamond Stud Earrings. IGI Certified - SQ7355583 $2,380.00 18Kt White Gold Lab Diamond Stud Earrings. Total Diamond Weight 1.30Ct D COlour SI1 Clarity. IGI Certified Add To Cart Added! 18Kt White Gold Lab Diamond Stud Earrings. Total Diamond Weight 1.30Ct D COlour SI1 Clarity. IGI Certified