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Directory - Australian Diamond Trading Corporation (ADTC)

Level 13
227 Collins Street
VIC Australia 3000

P: 03 9650 2243
F: 03 9650 6469

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Heirloom treasures, timeless pleasures.
Circles of art, capturing the heart.
ADTC offers a wide range of diamond-set jewellery and semi mounts for your convenience.
ADTC presents a variety of stunning wedding bands featuring round brilliant and fancy-cut diamonds.
Set in 18-carat yellow gold Argyle Near Colourless halo set.
Australian Diamond Trading Company (ADTC) is a family business built on a foundation of honesty, integrity, and trust, dedicated to delivering not only premium-quality products, but also first-class, streamlined service.

Our dedicated sales team boasts more than 43 years of experience with ADTC and is committed to meeting customers’ every diamond need.

ADTC is an Argyle Authorised Partner with a wide range of stock, including hand-selected fine cuts to perfectly-matched pairs in assorted shapes and sizes, multiple sets, unusual stones, fancy colours – among them, certified Argyle-Origin cognacs – and melee, as well as the ADTC diamond jewellery range.

All diamonds are fully owned by ADTC in Australia and graded in-house.

• Family business rooted in integrity and reliability
• Customer-focused with extensive experience
• Hand-selected fine cut diamonds
• Large variety in stock, across various sizes, fancy colours, and shapes
• Matched pairs and multiple sets
• Fully certified with in-house grading
• Argyle Authorised Partner and buys from De Beers Sightholder
• In-house jewellery collection in 9-carat and 18-carat gold, and platinum


Diamond Jewellery

Diamonds by Colour - Black

Diamonds by Colour - Brown/Champagne

Diamonds by Colour - Pink

Diamonds by Colour - Yellow

Diamonds By Cut - Asscher

Diamonds By Cut - Baguette

Diamonds By Cut - Brilliant (Round)

Diamonds by Cut - Cushion

Diamonds By Cut - Emerald

Diamonds By Cut - Heart

Diamonds By Cut - Marquise

Diamonds By Cut - Old / Antique

Diamonds By Cut - Oval

Diamonds By Cut - Pear

Diamonds By Cut - Princess

Diamonds By Cut - Radiant

Diamonds by Cut - Tapered Baguettes

Diamonds By Type - 5ct+

Diamonds By Type - Ideal Matched Pairs

Diamonds By Type - Synthetic / Lab-Created


Gemset Jewellery



Platinum Jewellery

Rings - Anniversary

Rings - Engagement

Rings - General

Rings - Wedding


Loose Diamonds & Gemstones
Argyle Diamonds

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