Give the perfect gift with one of these diamond necklaces from Overstock.com. Necklaces featuring pendants in a range of shapes and sizes mean you can find something to reflect the style and interests of yourself or a special someone. Choose from sleek, basic chains adorned with accent diamonds to find a simple, clean accessory for everyday wear, or find a fully diamond-encrusted necklace to add a sense of breathtaking glamour to evening wear and special occasion outfits. Find designs for men or women in this category, or find a matched pair for you and your significant other. Diamond necklaces made from a base of solid gold offer a warm, classic look, while white gold and sterling silver chains and settings are sleek and modern-looking. With necklaces ranging from basic to decadent from designers such as Miadora, DB Designs and Angara, you can find a statement piece to suit your style.