Diamond.com Diamond.com is one of the Internet's largest and most respected destinations for certified diamonds and fine jewelry, and is committed to providing customers with the best value, quality, service and selection of certified diamonds and jewelry. Spring Sale - Save An Extra 20% + Free Shipping with coupon code DDC20.Use coupon code DDC20 at checkout.2 CT Pink Sapphire & Diamond 14K White Gold Ring - ONLY $195! (Retail $595).1/4 CT Sapphire & Diamond Circle Pendant - ONLY $95! (Retail $195).1/2 Carat Princess-Cut Diamond 4-Stone Set 14K White Gold Earrings - ONLY $295! (Retail $1000).Free FedEx Shipping on all orders.