Overview Specs Documentation Elegant 18K yellow gold pearl studs featuring lustrous 5mm cultured pearls. These timeless earrings showcase the perfect balance between classic sophistication and everyday wearability. The secure backing ensures comfortable all-day wear while the premium gold setting enhances the natural iridescence of each carefully selected pearl. 18K Yellow Gold 5mm Pearls BIRTHSTONES & ANNIVERSARIES Pearl is a birthstone for June, along with moonstone and alexandrite. Pearl is also the gemstone for the 30 year wedding anniversary. MINERAL: Calcium Carbonate CHEMISTRY: CaCO3 COLOR: White, black, gray, yellow, orange, pink, lavender, green, blue REFRACTIVE INDEX: 1.520 to 1.690 BIREFRINGENCE: 0.156 SPECIFIC GRAVITY: 2.60 to 2.85 MOHS HARDNESS: 2.5 to 3.0 If you need additional information regarding any of our gems or stones please contact us at: [email protected]