Golden South Sea Pearls and Diamond Halo Earrings Golden South Sea Pearls and Diamond Halo Earrings in 18K Yellow Gold Other Products. Emerald and Diamond Pendant Cushion Emerald 0.70 ct. Round Emerald 0.69 ct. Diamond 1.99 ct. 22K Yellow Gold More Detail Emerald and Diamond Halo Ring Emerald 0.48 ct. Round Diamond 0.73 ct. Baguette Diamond 0.75 ct. 18K White Gold More Detail Tension Set Diamond Ring Diamond 1.23 ct. 18K White Gold More Detail Etenity Ring Diamond 1.07 ct. 18K White Gold More Detail