02 4927 0000

Our Story – Who is Argyle Diamond Investments?

“ADI ARE NOT DIAMOND BROKERS OR RESELLERS, they are as close to the source as humanly possible with an inventory second only to the Argyle Diamond Mine itself.”

Argyle Diamond Investments PTY LTD is 100% Australian Owned & Operated by the Leonard family who have been in business in the same location for over 80 years. ADI trades as a tangible asset wholesale business to the public and jewellery trade. Director Craig Leonard is a GIA and GAA accredited diamond expert with over 25 years experience in the diamond industry. He is a published author and leading authority on Argyle Pink Diamonds.

Pictured: Craig Leonard

For more detailed information on Pink Diamonds, download our FREE Comprehensive eBook.


Get in Touch:

110 Darby Street, Newcastle NSW 2300 02 4927 0000 info@argylepinkdiamondinvestments.com.au

Opening Hours:

Tues – Fri: 10am – 5pm Saturday: 10am – 2pm Sunday: CLOSED Monday: CLOSED *Or By Appointment



Speak to a Pink Diamond Expert / Book Your VIP Viewing:

Complete the form below to get in touch with our Argyle Pink Diamond Expert. If you wish to book a viewing in our Private VIP Viewing room, please fill out the date and time fields. We will aim to get back to you within 1 business day.