Golden South Sea Pearls and Diamond Halo Earrings Golden South Sea Pearls and Diamond Halo Earrings in 18K Yellow Gold Other Products. Plain Ring 18K White Gold More Detail Flush Set Diamond Bangle Flush Set Diamond Bangle in 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