Laboratory Diamond Jewellery › 1.64Ct Lab Diamond Stud Earrings - IGI Certified - SQ2550184 Image 1 of 1 1.64Ct Lab Diamond Stud Earrings - IGI Certified - SQ2550184 $2,970.00 sold out 18KT White Gold Lab Diamond Stud Earrings. Total Diamond Weight 1.64Ct G Colour VS2 Clarity. IGI Certified Sold Out Added! 18KT White Gold Lab Diamond Stud Earrings. Total Diamond Weight 1.64Ct G Colour VS2 Clarity. IGI Certified