Product Details 1/2 Carat Natural Diamond Hear Desire Halo Pendant Diamond Color Rating Code: I Diamond Clarity Rating Code: I1 Diamond Shape: Round Set in 18k Yellow gold Chain 18" Photo may have been enlarged and/or enhanced. 14 Color rating: I Clarity rating: I1 Polished finish Prong setting Choking hazard IN Imported Product Specifications 18" 0.50 Material & Care Metal, Gold Clean with a soft bristle brush and warm soapy water.