14K DIAMOND RING SET WITH MARQUISE CENTER STONE: Marquise diamond is at the center of this vintage ring set in yellow gold. Size 4. Marquise approx .33 Ct. approx. and 16 round brilliant cut diamonds approx .50 CTW TOTAL WEIGHT: .87 Ct. Approx. Rated SI-I1 in clarity and H-I in color. The diamonds are prong and channel set. Weight: 7 .8 grams. Size: 5