Our special collection of birth flower necklaces are inspired by the love of wearing something meaningful. Each birth flower is adorned with that month's birthstone. October's birth flower is marigold and the birth stone is an Australian opal. Materials: 14K solid gold 2.2mm natural Australian opal Pendant measures 16mm length 16" and 18" gold filled chain, 1.1mm ** This item is specially made for you. Please allow 1-2 week lead time. Shipping:Domestic: Free standard shipping within the U.S.Inte Marigold Necklace, October Birth Flowers, October Birthstone Necklace, Australian Opal Pendant, Flower Necklaces, Birthstones By Month, Birth Flower Necklace, Marigold Flower, Birth Flower