Amethyst February Birthstone Necklace and Earrings Set - Swarovski Crystal Beaded Necklaces. A dazzling Swarovski Austrian Crystal Beaded Necklace in an all new COSMIC Swarovski Crystal Cut! Sleek, smooth, sophisticated. These handmade beaded necklaces are handcrafted with 100% genuine Swarovski Austrian crystals and .925 Sterling Silver. Nothing can compare with the sparkle and dazzle of genuine Swarovski Austrian Crystals! Custom sizing available. We want you to love your new GemstoneGifts Handmade Jewelry! Every item is handcrafted one at a time in our New Jersey Studio by designer Shirley L. Gordon.