Diamond Halo Ring 18K White Gold Other Products. Plain Ring | Solitaire Ring | Eternity Ring 18K White Gold More Detail London Blue Topaz and Diamond Halo Ring Blue Topaz 3.8 ct. Diamond 0.43 ct. 18K White Gold More Detail Emerald and Diamond Pendant Cushion Emerald 0.70 ct. Round Emerald 0.69 ct. Diamond 1.99 ct. 22K Yellow Gold More Detail Two Row Half Eternity Ring Diamond 0.40 ct. 18K White Gold More Detail