Gold Birthstone Necklace$25.00PriceMonthSelectQuantityAdd to CartBuy NowOur Say for This PieceLet it represent your birth month, or favorite color. Meant to brighten any look or mood. DetailsLength: adjustable between 17''-18''1/4 Materials18K Gold Plated over 925 Sterling Silver Birthstone Material: Nano Crystals Not to be confused with non-precious metals such as copper and brass, our piece is made of sterling silver as the base metal with a thick layer of 18k gold. Why gold and silver are always better choices? Because both metals are precious and chemically inactive, they make perfect hypoallergenic jewelry. See Sea proudly offers a 1-year warranty for all of our jewelry.