14k Yellow Gold Marquise Natural Diamond Solitaire Women Classic Traditional Bridal Wedding Set 1/2 Cttw .50 Ct.t.w. --- .15 carat center solitaire 14kt Yellow Gold I1-I2 clarity; H-I color Widest point width: 13 mm (.51 inches ) - Width of shank: 1.5 mm --- 4.85 grams (approx.) 1 year lost-stone and defect warranty on all products, personalized Certificate of Authenticity, premium gift box and free shipping included. Buy with confidence.