Sterling silver earrings, Ag 925/1000. Studs with friction back. Rhodium plated. With genuine, natural gemstone - white topaz. Silver earrings fitted with the elegant white topaz embodies a unique charm and elegance. Gemstone characteristics: Type: Natural gemstone - white topaz. Country of origin: Brazil. Carat weight: 2 x 0.80 ct = 1.60 ct. Square (princess) cut, 5x5 mm. Color: White. Clarity: VVS. Luster: Excellent. Hardness: 8 Mohs. Specific gravity: 3.4 - 3.5. Refractive index: 1.61 - 1.64. Topaz jewelry cleaning: The best way to clean topaz jewelry is by using mild detergent and warm water. Avoid cleaning with ultrasound or steam cleaners. Do not expose topazes to excessive heat or acids. Price per pair.