A collection of sapphires, 2.648 carats

Technical details: Type: Sapphire (Sapphire) Weight: 2.648 carats Dimensions (mm): 5.90x5.03x3.74 (average) Shape: Oval (Oval) Color: Blue Clarity: Eye-clean Transparency: Transparent Hardness: 9.0 Treatment: Untreated Origin: Unknown Certification: Certificate from Saudi Laboratory (MT) - Website (www.mtgl.com.sa) The sapphire (Sapphire) is one of the most precious and magnificent gemstones, known for its deep enchanting blue color. The sapphire is composed of the mineral corundum, and its color derives from small amounts of iron and titanium. Blue sapphire is valued for its beauty and durability, ranking second after diamond in hardness. Sri Lankan, Kashmir, and Madagascar mines are famous for producing the finest types of blue sapphire, and Kashmiri sapphire in particular is among the rarest and most expensive types of sapphire in the world.