This birthstone necklace was designed for a custom family birthstone necklace in gold. This is the silver version. It features citrine, tourmaline, sapphire & aquamarine stones. It can be customized with whatever stones you like. Just contact me for options & pricing. The center citrine stone is 7mm x 5mm for reference. The pendant is 17mm x 9mm. The chain is sterling silver & you can choose your length. This exact option is ready to ship. If you want to create a custom necklace it will take 1-2 weeks to create. It is also available in gold, just send me a message for the current price. It will ship through USPS priority mail in a gift box. Birthstone 4 Stone Necklace, Mother’s Family Birthstone Jewelry