The earrings are 18K White Gold There are 0.80 Carats In Diamonds F/G VS/SI There are 1.47 Carats In Blue Sapphires The round sapphires are prong set in a double square halo The earrings measure 1" x 0.50" The earrings weigh 4.8 grams The dangle part can be removed from the hoop. The hoops can be worn by themselves. Gia Certified Sapphire Diamond Earrings For Formal Occasions, Formal Gia Certified Sapphire Diamond Earrings, Formal Round Diamond Earrings With Gemstones, Gia Certified Drop Diamond Earrings For Formal Occasions, Luxury Sapphire Diamond Earrings With Brilliant Cut, Gia Certified Sapphire Earrings For Formal Occasions, Formal Round Cut Gemstone Diamond Earrings, Elegant Blue Gia Certified Diamond Earrings, Sapphire Earrings With Diamond Accents For Evening