Earrings › 14.5mm South Sea Pearl and Diamond Studs - SQ3946247 Image 1 of 1 14.5mm South Sea Pearl and Diamond Studs - SQ3946247 $3,790.00 18Kt Yellow Gold South Sea Pearl and Diamond Studs. The near round South Sea Pearl measures approximately 14.5mm. Add To Cart Added! 18Kt Yellow Gold South Sea Pearl and Diamond Studs. The near round South Sea Pearl measures approximately 14.5mm.