Product Details. Handcrafted in the USA. Genuine Gemstone. Available in 14k Gold Filled or Sterling Silver.. Add this charm to your One Love Chain Necklace.. Comes with a little card that says:. Sapphire - The September Birthstone. Balance your emotions, understand your feelings, fortify your inner strength. Sapphire is the stone of serenity, peace, and calmness. Let it serve as a reminder to let volatile emotions pass so that you can rest in the security of a calm mind.