Laboratory Diamond Jewellery › 1.65Ct Lab Diamond Pendant - SQ6140710 Image 1 of 1 1.65Ct Lab Diamond Pendant - SQ6140710 $3,780.00 18Kt White Gold Lab Diamond Pendant. Total Diamond Weight 1.65CT E Colour SI1 Clarity. IGI Certificate #LG54229613 Add To Cart Added! 18Kt White Gold Lab Diamond Pendant. Total Diamond Weight 1.65CT E Colour SI1 Clarity. IGI Certificate #LG54229613