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.
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• 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