Skip to content
Diamond Rings Custom Made

Diamond Engagement Rings and Fine Jewellery NZ... since 1969

Winner Best Retail | Winner Best Engagement Ring Design | Winner Best Wedding Ring Design

Why Polished Diamonds?

Polished Diamonds is a reputed brand specialising in designing and manufacturing custom-made diamond engagement rings and fine jewellery. With showrooms in Auckland, Wellington, and Christchurch, we have been in business since 1969 and have won several awards for our excellent value and high-quality jewellery.

We guarantee that every piece of jewellery we create is unique and custom-made specifically for you and not a cookie-cutter chain store item made overseas. We use advanced Computer-Aided Design (CAD) technology to showcase how your ring design will look using the finger size and diamond/gemstone measurements. This allows you to make tuning adjustments to ensure it is perfect. You can select engraving, filigree, single or multi-stone, halo or the classic solitaire. The CAD model will show you a preview of exactly how the ring will look finished. After finalizing the design, we produce a resin copy of the ring using a 3D printer. This prototype is used to invest in casting material, and we then inject the molten Platinum or Gold into the mould to perfectly replicate your ring. Before setting the diamond or gemstone, we hand detail, polish, and prepare the ring with our skilled craftsmen in our workshop. This ensures that we deliver an error-free, accurate, and perfectly symmetrical diamond ring that is unbeaten in quality – backed with a lifetime workmanship guarantee.

We can supply any certified natural diamond, coloured gemstone, or lab-grown diamond within your budget. Polished Diamonds can then design and produce the ideal ring, resulting in excellent value and the highest quality. We have won multiple awards for our quality proposition, and we invite you to contact us, visit a shop, and experience our service.

Design Your Engagement Ring With Us

We use Computer-Aided Design (CAD) to produce every unique ring that we sell.  This software enables us to showcase any style you like to your finger size and using the actual gemstone measurements.  Clients can email us photos of their favourite design and we can add in engraving, filigree, side diamonds and any style adjustments to personalise the ring image.  We email this CAD file for client approval before manufacture. Contact us and start this amazing process.

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Auckland Showroom
95c Ponsonby Road,
Auckland 1011

Freecall 0800-233-299

Christchurch Showroom
30 New Regent Street,
Christchurch CBD,
Christchurch 8011

Freecall 0800-233-299

Wellington Showroom
42 Lady Elizabeth Lane,
Wellington Waterfront,
Wellington 6011

Freecall 0800-233-299