Laboratory Diamond Jewellery › 4.06Ct Lab Diamond Earrings - SQ2263767 Image 1 of 1 4.06Ct Lab Diamond Earrings - SQ2263767 $7,880.00 4.06Ct Lab Diamond Earrings. Set in 18kt White Gold G SI2. IGI Certified. Add To Cart Added! 4.06Ct Lab Diamond Earrings. Set in 18kt White Gold G SI2. IGI Certified.