Our blue sapphire jewelry set is perfect for gift giving for someone special with a September birthday. A simple and minimal drop style necklace with matching earrings handcrafted with natural sapphire gemstones in sterling silver. The chain is a dainty cable that closes with a spring clasp. Stones were mined in India with a dark denim blue color in a faceted pear briolette shape. Earwires are 20G french hook. Perfect for everyday wear. About Sapphire: Sapphire belongs to the corundum group of minerals, and although blue is the most popular color, it can come in a variety of colors. Sapphire is the second hardest gemstone next to diamond and comes from the Persian word "safir" derived from the Greek meaning blue. Sapphire can be found in Madagascar, Kashmir, Burma and Sri Lanka. These stones have been dyed for a more uniform color. Materials: Blue sapphire gemstones 8x5mm-10x7mm faceted pear briolettes All metal components are 925 sterling silver If you have any questions just click "message seller" on our homepage. Thank you for visiting our jewelry shop, Linda and Joe .