A simple & elegant cultured pearl necklace with a gold circular bead clasp. Dimensions: Length: 18 Individual pearls: 0.65 x 0.7cm Cultured pearls: A pearl that forms with the aid of human intervention. To create a cultured pearl, a tiny bead is implanted into the oyster & gradually over time the oyster coats the bead in many layers of natural minerals & proteins known as nacre. This gives pearls their beautiful lustre & colour. General Care: When cared for properly, pearls can last a lifetime. Put your pearls on last when getting ready & make them the first thing you take off when you come home. Keep them away from household chemicals including perfume, makeup & hairspray as they dull the lustre of your pearls. Before putting your pearls away, wipe them with a soft cloth & store them separately from other jewellery to avoid scratching their tender surfaces. The best way to care for your pearls is to wear them regularly, as the body's natural oils keep pearls lustrous. If you want to return this product, you'll need to take it back to a John Lewis & Partners shop for verification, & not return it by post or courier. We'll process your refund once the item has been returned to & checked by our specialist, so please allow us time to action your full refund.