Our Services

From bespoke jewellery and engagement rings to expert repairs, valuations and jewellery care, Cornerstone Jewellers offers a wide range of professional jewellery services in St Heliers, Auckland. Whether you're creating something new, restoring a treasured piece or simply giving your jewellery the care it deserves, our experienced team is here to help.

Bespoke Jewellery Services

Pink lab diamond platinum engagement ring

Create something truly unique with our bespoke jewellery service. From hand-crafted pieces to CAD designs, remodelling and custom creations.

Bespoke Jewellery

Jewellery Care & Repairs

From ring resizing and chain repairs to stone replacement, claw retipping and restoration, we help bring your treasured jewellery back to life.

Jewellery Repairs

Refresh and transform your white gold jewellery with professional rhodium plating. Restore colour, shine and protection to worn pieces.

RhodiumPlating

Professional pearl and bead rethreading, including knotted or unknotted strands. We can also replace clasps, adjust lengths and add extensions.

Pearl & Bead Rethreading

Restore the shine and beauty of your jewellery with professional cleaning and polishing. We use ultrasonic cleaning, polishing and tumbling where suitable.

Cleaning & Polishing

Specialist Services

Professional jewellery valuations for insurance, replacement and peace of mind. We work with a qualified FGA and GIA AJP certified valuator.

Jewellery Valuations

Personalise your jewellery with professional hand or laser engraving. Add names, dates, messages or designs to make your piece truly meaningful.

Hand & Laser Engraving

From batteries, straps and buckles to specialist servicing, glass and crown repairs, we offer in-store watch services and trusted professional repairs.

Watch Repairs

How Can We Help?

From jewellery repairs and valuations to bespoke creations and engagement rings, our experienced team offers a wide range of professional jewellery services to help you care for and celebrate your treasured pieces.

Visit our St Heliers shop to discuss your jewellery in person, or contact us online if you have any questions about our services. We're always happy to offer advice and point you in the right direction.