Tanzanite - December Birthstone Swarovski Crystal Beaded Necklaces. A classic and timeless pearl necklace with a modern and stylish twist - dazzling Swarovski Austrian Crystals! Understated yet elegant in its simplicity, this necklace can go to a hanukkah, a family reunion, a college graduation, or a walk in the park. It goes with a suit, a cashmere sweater, a little white blouse, or denim jeans. Matching pieces of the Classic Pearl collection are available, all with the same signature look of fine fashion jewelry in creamy white pearls, austrian crystal, and .925 sterling silver. These handmade beaded necklaces are crafted one at a time in New Jersey, USA by jewelry designer Shirley L. Gordon.