0.40 cttw. Diamond Cross Necklace. This Cross Necklace is designed, made, and exclusively available at Gold In Art. There are 0.40 cttw. Diamonds positioned as the Body of Christ. The Diamonds are SI Clarity and G-H Color, and the entire piece is 14 karat yellow gold and includes a an 18 inch 14 karat gold box chain with lobster.