Our Services Diamond price beat policy Contact us to compare a competitor's diamond against one of our diamonds. We offer to beat their price on a comparable diamond. Learn More Free ring sizing We offer complimentary resizing on all rings during the 90 days 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 Melbourne Diamond Company diamonds. Learn More Referral program Tell your friends about Melbourne 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. Lifetime warranty We provide lifetime warranty on all of our jewellery, along with an independent valuation and certification when purchasing your ring. World class quality Our rings are made with the highest quality and workmanship and are all custom made to order Not quite sure yet? Why not visit our contact page, or call us on 1800 423 786 we would love to chat with you!