14k Two-tone Halo (Holds 1/2 carat (8x4mm) Marquise Center) 1/4 carat Diamond Semi-mount Engagement RingProduct Details Material; Primary Purity 14K Finish Polished Stone Type Center Stone Mounting(s) Stone Type_2 Diamond Stone Type_3 Diamond Stone Quantity 1 Stone Quantity_2 14 Stone Quantity_3 14 Stone Weight 0. 5 ct Stone Weight_2 0. 01 ct Stone Weight_3 0. 008 ct Stone Clarity_2 I1 (AA) Size (Minimum) 6 Size (Maximum) 8 Sizing Adjustment Increment 0. 25 Feature Solid Material; Primary Gold Completeness Semi Mount (center stones not included)