Black Sapphire and Diamond Accent Halo Engagement Ring as a symbol of your love forever. Crafted in lustrous sterling silver with elegant cross-over detailing at the band, the ring showcases a gorgeous oval-cut, prong-set black sapphire accented with two twinkling round, prong-set diamonds (H-I, I3). Diamond illusion detailing completes the shimmering look. Size: 5. Color: black/sapphire/silver. Gender: female. Age Group: adult.