Diamond Halo Ring 18K White Gold Other Products. Black Diamond Rings 18K White Gold More Detail Solitaire Ring Diamond 0.82 ct. GIA Certified G VVS2 3 Excellent 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 Flush Set Diamond Bangle Flush Set Diamond Bangle in 18K White Gold More Detail