Our Services 14 day money back guarantee Our 14-day money back guarantee allows you time to make sure you are completely happy with your purchase. We will happily provide you with an exchange or full refund, should you wish to return your item. Learn More Free ring sizing We offer complimentary resizing on all rings during the first year following your purchase from us. Secure shipping We provide free, secure shipping on your purchase. Orders are shipped using the fastest delivery option available in your area. Diamond upgrade Find out about our lifetime diamond upgrade program for all Sydney Diamond Company diamonds. Learn More Diamond price match guarantee Contact us to compare a competitor's diamond against one of our diamonds. We are able to match or better their price in most cases. Learn More Referral program Tell your friends about Sydney Diamond Company, and you can both save up to $100. There's no limit to how many friends you can refer! Call us to find out more. Not quite sure yet? Why not visit our contact page, or call us on 1800 423 786, we would love to chat with you!