How to Buy

A shopping cart is too impersonal for us. Purchasing a diamond, engagement ring or jewellery is a very special and personal experience.

If you are in the Sydney, Australia area or plan to be, you are welcome to make an appointment at any time.

You will be presented with high quality loose diamonds to view or make a selection from and if required we will discuss and sketch your design. Receive expert advice from diamond merchants and jewellery designers. This is obligation free.

Call (02) 9283 2213

For our interstate and international customers, email us with your requirements and contact telephone details or telephone us to discuss your exact requirements, obligation free. This can be over a short or long period of time. State your diamond requirements and we will meet your exact specifications. And if required, state a Diamond Ring or Jewellery Design reference number or send a picture of your favourite design.

We can create any design you wish at the most competitive prices in Australia. A Delphi Diamonds professional will contact you at your convenience. Purchase your diamond or diamond jewellery at anytime by email, fax or by calling telephone +61 2 9283 2213.

You are dealing with one of Australia ‘s most respected diamond merchants.

Tips on buying Diamonds

With these simple steps, you can make sure that the diamond you have purchased is genuine, and, was excellent value. Learn more

Custom Made Diamond Jewellery and Engagement Rings

Please allow up to 2 weeks for completion on made to order handcrafted diamond rings and jewellery to assure the highest quality workmanship. Upon special request completion time may be a minimum of 1 to 3 days.


You are able to pay by credit card or select another method of payment. Preferred payment option is Netbank Transfer or Direct Bank Transfer to our Commonwealth Bank account. We also accept Visa, Master Card, American Express, Diners Card, Eftpos, BPay, Cash, Bank Cheque, Business & Personal Cheques, Money Orders and Wire Transfers. (Please note: Cheques, Wire Transfers and Money Order funds must be cleared prior to the release of diamond/s and jewellery.) A 10% deposit is required on all custom made jewellery with the balance required upon completion.

For telephone and email sales, credit cards will only be accepted when photo identification and the authorising signature is provided via fax or post. Diamonds and Jewellery will only be delivered to the address on file with the customer’s card. (NO Surcharge on Visa, Mastercard, Bankcard payments)



Apply for financing on your diamond, jewellery or engagement ring purchase. Contact us today and receive a fast decision on a line of credit on any purchase of $500 or more. Apply for up to $40,000 financing. *Australian customers only. More


Shipping is free of charge throughout Australia and International to 25 countries. Delivery is also fully insured. Delphi Diamonds will decide on the method of delivery by either Registered Post, Brinks, Fedex, Australian Air Express within 4 days of final payment acceptance. At times we may deliver your diamond in person. For overseas purchases delivery is usually around 1 to 12 days. From time to time deliveries can be delayed by customs clearance backlogs. Your signature and proof of identification are required upon delivery. Deliveries will not be made to P.O. Boxes. All deliveries must be made to the billing address on file with the applicable credit card company.


National and Worldwide Service

Australia: Sydney, Melbourne, Brisbane, Adelaide, Perth, Darwin, Hobart, Canberra, Newcastle, throughout Australia. Internationally to 25 countries: United States, United Kingdom, New Zealand, China, Singapore, Greece, Italy, France, Germany, Ireland, United Arab Emirates, Hong Kong, India, Canada, Japan

Insurance for Diamond Jewellery

Delphi Diamonds Pty Ltd offers a world wide insurance policy on all jewellery purchased from Delphi.

Money Back Guarantee

To ensure complete satisfaction with your purchase from Delphi Diamonds we offer you a 30 Day Money-Back Guarantee on Diamonds, which must be in their original condition, accompanied by the identifying certificates and proof of purchase. Merchandise will be inspected upon return by an independent registered valuator before final settlement. We offer a 7 day Money back Guarantee on made to order diamond rings and jewellery made especially for the client . Read more

Tourist Refund Scheme

The TRS enables you to claim a refund, subject to certain conditions, of the goods and services tax (GST) that you pay on goods you buy in Australia.


Privacy Policy

Delphi Diamonds privacy policy is our guarantee that any personal information given to us will remain private and confidential and is never made available to any third party for any reason whatsoever. Information is recorded in a normal accounting system and hard copy client file. Information collected includes name, address, telephone number, and email address. Delphi Diamonds Pty Ltd adopts the policies of handling personal information in line with the Privacy Commissioners National Principles for the Fair Handling of Personal Information :