Laboratory Diamond Jewellery › 1.00Ct Radiant Cut Lab Diamond Ring. IGI Certified - SQ9501413 Image 1 of 2 Image 2 of 2 1.00Ct Radiant Cut Lab Diamond Ring. IGI Certified - SQ9501413 $4,200.00 18Kt Yellow Gold Radiant Cut Lab Diamond Ring. Total Diamond Weight 1.00Ct. IGI Certified F Colour SI1 Clarity Add To Cart Added! 18Kt Yellow Gold Radiant Cut Lab Diamond Ring. Total Diamond Weight 1.00Ct. IGI Certified F Colour SI1 Clarity