Emerald and Diamond Halo Ring Emerald 0.48 ct. Round Diamond 0.73 ct. Baguette Diamond 0.75 ct. 18K White Gold Other Products. Bezel Set Diamond Pendant Diamond 0.16 ct. 18K White Gold More Detail Diamond Halo Earrings 18K White Gold More Detail Plain Ring 18K White Gold More Detail Three Color Gemstones Ring in 9K Yellow Gold Three Color Gemstones Ring in 9K Yellow Gold More Detail