1.01 Old Mine Cushion Diamond Engagement Ring 14kThis solitaire engagement ring features a GIA certified 1. 01 carat old mine cushion cut diamond in 14 karat yellow gold. The center diamond has an M color grade, which gives it a warm, slightly tinted appearance that pairs beautifully with the yellow gold setting. With SI1 clarity, the diamond maintains good transparency with inclusions visible only under magnification. The antique cushion cut delivers a romantic, pillow like shape with rounded