Laboratory Diamond Jewellery › 1.00Ct White Gold Lab Diamond Studs - IGI Certified - SQ0059754 Image 1 of 1 1.00Ct White Gold Lab Diamond Studs - IGI Certified - SQ0059754 $2,150.00 sold out 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 1.00Ct. E Colour SI1 Clarity. IGI Certified Sold Out Added! 18Kt White Gold Lab Diamond Studs. Total Diamond Weight 1.00Ct. E Colour SI1 Clarity. IGI Certified