Laboratory Diamond Jewellery › 1.28Ct Lab Diamond Earrings Image 1 of 1 1.28Ct Lab Diamond Earrings $4,920.00 18Kt White Gold Lab Diamond Hoop Earrings set with 1.28Ct of DEF Colour VS Clarity Lab Diamonds. Add To Cart Added! 18Kt White Gold Lab Diamond Hoop Earrings set with 1.28Ct of DEF Colour VS Clarity Lab Diamonds.