March birthday? Lucky you! Aquamarine is the birthstone for March, and we love it. With the classy look of this gold plated finish, it may be your birthstone, but you can wear this necklace any time of the year. A 4mm aquamarine cz stone is attached to a 1mm belcher chain and fastened with a spring ring clasp. This gold plated sterling silver necklace is marked with a 925 metal stamp. Check out our gemstone category for even more options.