• Engagement Rings
    Bespoke Custom Designed and 100% Handcrafted. Our designers are ready to assist you in creating a unique piece of your dreams that will last more than a lifetime...
  • Complimentary Lifetime Service Care
    All jewellery purchased from Delphi include a free lifetime service of cleaning and checking and polishing. Delphi Diamonds workmanship is guaranteed for life.
  • Expert Advice
    With over 30 years experience, our knowledgeable and qualified diamond professionals are ready to assist you in finding your ideal diamond.
  • Coloured Gemstones
    An Exclusive Selection of sapphires, rubies, emerald, tourmaline, aquamarine and more....
  • Deal Direct with the Diamond Importer and Wholesaler
    We hand select the highest quality GIA diamonds sourced direct from Belgium, Russia, Canada and the major diamond centres around the world.
  • Fancy Shape Diamond Rings
    Pear Shape, Emerald Cut Diamonds, Oval Shape, Marquise......
  • Remodelling & Restoring
    Repairing, remodelling, reconditioning, restoring vintage rings, repairing antique jewelry, all onsite by our expert jewellers.
  • Trusted By Many..........
    Do your research. Read 100's of Google Reviews and Testimonials on our website.
  • Engagement Rings
    GIA Certified, Ethically Sourced Diamonds, Best Prices Guaranteed. Custom Designed and 100% Handcrafted.
  • Free Lifetime Care
    All jewellery purchased from Delphi Diamonds include a free lifetime service of cleaning, checking and polishing. Delphi Diamonds workmanship is guaranteed for life.
  • Expert Advice
    With over 30 years experience, our knowledgeable and qualified diamond professionals are ready to assist you in finding your ideal diamond.
  • Precious Gemstones
    A large collection of Sapphires, Rubies, Emerald, Tourmaline, Aquamarine and more....
  • GIA Certified
    CHOOSE your own diamonds. 50000 Highest Quality GIA Certified. Ethically Sourced Diamonds. Best Prices Guaranteed.
  • Master Jewellers
    Repairing, remodelling, reconditioning, restoring vintage rings, repairing antique jewelry, all onsite by our expert jewellers.
  • 100s of Testimonials
    From our first contact to the delivery of a beautiful custom designed pear shaped diamond ring, it was an absolute pleasure dealing with Delphi Diamonds. It made the experience of creating a unique engagement ring enjoyable and exciting.-Matt ODonnell Sydney, Australia. TRUSTED BY MANY.
wedding & anniversary
Individually handcrafted and designed to order in any creation of 18k gold or platinum.
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diamond rings
There's nothing like a timeless piece of fine jewellery to celebrate your enduring love.
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DIAMOND STUD EARRINGS
Make her day with a gift of beautiful diamond stud earrings.
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CERTIFIED AND INSCRIBED DIAMONDS
50 000+ certified diamonds up to 70% off retail prices. GIA EX EX EX Specialists
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Delphi Diamonds

8/250 Pitt St, Sydney NSW 2000, Australia

(02) 9283 2213

★★★★★
★★★★★

4.9

 
 
 
 
Diamonds and Diamond Engagement Rings

 

Welcome to Delphi Diamonds.

Australia’s Leading Diamond Dealer, Diamond Importer and Handmade Engagement Ring Specialist.

Your Personal Jeweller and Diamond Merchant offering Bespoke and Handcrafted Jewellery and Lifetime Complimentary Service on your Jewellery.  Specialists of GIA Certified Diamonds, Engagement Rings, Wedding Rings, Loose Diamonds, Pink Argyle Diamonds, Fancy Shape Diamonds, Diamond Stud Earrings, Anniversary Rings and Coloured Gemstones. 

We also buy gold, repair, resize, remodel and restore modern and antique jewellery.

We offer one of the largest supplies of loose GIA certified diamonds in Australia,
ethically sourced beyond conflict free diamonds direct from Canada and Russia, and at the most competitive prices.

Read Our Ethically Sourced Diamonds Policy Here

Delphi Diamonds Pty Ltd is a 100% Australian owned and operated company.

HOW TO BUY DIAMONDS SAFELY

START THE CONVERSATION

Book in to meet our
Diamond Professionals

MAKE AN APPOINTMENT

How To Safely Buy Diamonds
how to buy

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

Learn About Diamonds
how to buy

Before you start diamond shopping, you want to have an understanding of what you're buying. This guide simplifies the four Cs of diamonds...

Diamonds Certification
how to buy

Delphi Diamonds are graded to a strict standard and are certified by either GIA, AGS, GSL or HRD laboratories. EX EX EX Specialists.

Heart & Arrows Diamonds
how to buy

Hearts & Arrows cut diamonds are gems that, thanks to the work of expert cutters and polishers, seem to possess inside a pattern of hearts...





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