Laboratory Diamond Jewellery › 1.82Ct Lab Diamond Studs IGI Certified - SQ1756519 Image 1 of 1 1.82Ct Lab Diamond Studs IGI Certified - SQ1756519 $4,350.00 sold out 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 1.82Ct. FSI2. IGI Certified. Sold Out Added! 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 1.82Ct. FSI2. IGI Certified.