Emerald and Diamond Halo Ring Emerald 0.48 ct. Round Diamond 0.73 ct. Baguette Diamond 0.75 ct. 18K White Gold Other Products. Pearl and Diamond Earrings Pearl 8.5 mm. Diamond 0.30 ct. 18K White Gold More Detail Rose Quartz and Diamond Halo Ring in 18K Rose Gold Rose Quartz and Diamond Halo Ring in 18K Rose Gold More Detail Tension Set Diamond Ring Diamond 0.50 ct. GIA Certified D VS1 3 Excellent 18K Rose Gold More Detail Plain Ring 18K White Gold More Detail