IGI Certified 10k White Gold Princess-Cut Diamond Pendant Necklace (1 cttw), 18" This 1 carat sparkling princess cut diamond with I-J color and I2-I3 clarity is masterfully set in shimmer 10k white gold. The diamond comes with an IGI Evaluation Certificate and hangs from an 18" box chain It brings a classic and elegant look to this solitaire pendant 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.