Diamond & Co

Precious things for special memories

Back story

Diamond & Co is locally owned and operated by Greg & Tania Lilly. Greg is a qualified jeweller, gemmologist and a member of Custom Design Jewellers New Zealand with 35 years experience in the jewellery trade. At Diamond & Co we have the passion and experience to create a piece of jewellery that will walk with you through your lifetime.

With the aid of our 3D CAD Design program you can view your custom piece making any adjustments to the design before it is made. Our website gallery shows a few of the stunning pieces we have created and pieces we have recreated using customers old jewellery. We look forward to walking you through our process, from your idea to you selecting the stones, to the completed piece.

We source rare and unusual natural diamonds and gemstones and above ground diamonds from worldwide contacts.

Call into Diamond & Co to view a selection of our custom made pieces or to discuss the creation of the perfect piece for you. We carry an extensive range of jewellery in store including Chocolate Diamonds and brands to suit all styles and price ranges.

Precious things for special memories
Diamond & Co Mount Maunganui New Zealand.

The custom design experience

Diamond & Co. specialises in custom design and manufacture using in-store CAD jewellery design. Customers may commission a bespoke piece of jewellery, such as engagement or wedding rings. Greg can offer suggestions and ideas on style and suitability. Years of design experience coupled with a significant design library are the catalysts that will help create a jewellery masterpiece that is unique for each customer. Once agreed on a design, Greg will provide a choice of gemstones to enhance the customer’s individual custom made piece of jewellery.

Other services

Diamond & Co offer a range of services to customers including:
• Pearl rethreading
• Custom remodelling
• Jewellery repairs
• Watch repairs
• Valuations
• Laser welding
• Buying gold
• Insurance replacement


Explore Diamond & Co at your leisure.

For more info on custom design jewellery, click here

155 Maunganui Road
Mount Maunganui 3116 Bay of Plenty NZ
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Mon - Fri: 0900 - 1700 Sat: 1000 - 1530 Summer: Open 7 days

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