Emerald and Diamond Halo Ring Emerald 0.48 ct. Round Diamond 0.73 ct. Baguette Diamond 0.75 ct. 18K White Gold Other Products. Two Rows Diamond Ring Two Rows Diamond Ring in 18K White Gold More Detail Yellow Sapphire and Diamond Ring Yellow Sapphire and Diamond Ring 18K Yellow Gold More Detail Black Diamond Rings 18K White Gold More Detail Diamond Studs Earrings Round Diamond 0.72 ct. Baguette Diamond 0.79 ct. 18K White Gold More Detail