IGI Certified 18k Gold Diamond Tennis Bracelet (5.0 cttw, H-I Color, SI2-I1 Clarity), 7" 14k gold tennis bracelet featuring round-cut diamonds in four-prong box settings IGI-certified jewelry has been assessed and authenticated by the International Gemological Institute's expert gemologists. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Domestic Carat weight listed is the total for all stones.