At Harper Jewellery, luxury is personal, considered, and uncompromising.

As your private Diamond Concierge, we work directly with master jewellers and diamond merchants to source exceptional natural and lab-grown diamonds. We work exclusively with colourless D–E diamonds, VS clarity or higher, selected to be beautifully eye-clean and chosen for exceptional cut, brilliance and fire.

By operating without traditional retail layers, we offer extraordinary quality, precision craftsmanship and refined design with complete transparency.

Every Harper piece is meticulously crafted to endure — designed to be worn effortlessly and treasured for a lifetime. From rare natural diamonds to exceptional lab-grown stones and fine moissanite, every creation reflects our unwavering standard for beauty, balance and brilliance.

From our first conversation to final delivery, we guide you through a discreet, bespoke experience, translating your vision into a piece of true significance.

Luxury, without excess. Craftsmanship, without compromise.

This is the Harper difference.

Australia & Worldwide

We are delighted to offer complimentary Express Shipping across Australia and worldwide.

Please allow 1–3 business days for delivery within Australia and 7–10 business days for international deliveries once your order has been dispatched.

All parcels include full tracking and require a signature upon delivery for your peace of mind.

We offer a flexible 30-day return window for change-of-mind purchases on unworn, non-custom pieces in their original condition and packaging.

To arrange a return, simply email customercare@harperjewellery.com.au and we will take care of the rest.

Custom and made-to-order items are considered final sale unless faulty.

Please refer to our full Returns Policy here.

Absolutely. Our Mosman showroom is available by appointment only for private viewings. Please contact us at customercare@harperjewellery.com.au.