Diamond Manufacturers is a leading online retail jeweller offering a wide range of engagement rings, wedding bands, certified diamonds, anniversary rings, diamond & gemstone earrings and pendants. Featured in BBC, The Sunday Times & Daily Mail, Diamond Manufacturers revolutionises the way diamonds and jewellery are purchased over the internet by guaranteeing every purchase with: Excellent Customer Service, Free Next Day Insured Delivery,Double-The-Difference Price Guarantee, a no Quibble Returns Policy, no Questions Asked 30-day Money Back Guarantee and Lifetime Warranty and free ring re-sizing. More information