Personalise this Bestseller with your own name and make a statement by adding the Swarovski crystal Birthstone of your choice to it. We manufacture this item in 18ct white Gold double thickness for extra durability and supply you with an elegant Box Chain for free. Material: 18ct White Gold Style: Swarovski Name Necklace Thickness: 1.2mm Measurements: 5 - 8 mm Chain style: 18ct White Gold Box Chain Chain length: 40 cm, 45 cm They are a beautiful option, and come in many different colors. They are also a fraction of the cost of natural pearls. Natural pearls are extremely rare and so, extremely expensive. Cultured pearls are easier to find and easier to afford too.