Laboratory Diamond Jewellery › 2.31Ct Lab Diamond Ring IGI Certified - SQ3224398 Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 2.31Ct Lab Diamond Ring IGI Certified - SQ3224398 $6,880.00 sold out 18Kt White Gold Lab Diamond Ring. IGI Certified. E SI2 Ex Ex Ex. Sold Out Added! 18Kt White Gold Lab Diamond Ring. IGI Certified. E SI2 Ex Ex Ex.