Laboratory Diamond Jewellery › 2.19Ct Lab Diamond Studs. IGI Certified - SQ1690118 Image 1 of 1 2.19Ct Lab Diamond Studs. IGI Certified - SQ1690118 $4,550.00 sold out 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 2.19Cts.IGI Certified E SI2 Sold Out Added! 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 2.19Cts.IGI Certified E SI2