Your Questions Answered

Yes, we provide professional jewellery repair services from our St Helier's boutique, helping customers across Auckland with ring resizing, chain repairs, stone replacement, polishing, and more.

Cornerstone Jewellers is located in the heart of St Heliers, Auckland, offering personalised jewellery services and expert craftsmanship. 45 Saint Heliers Bay Road, St Heliers, Auckland

Appointments are not always necessary. Walk-ins are always welcome, however contacting us ahead is recommended for custom design consultations, valuations, or detailed repair discussions. You can email us at cornerstonejewellersnz@gmail.com to schedule a time.

We offer custom jewellery design, bespoke jewellery, chain repairs, jewellery repairs, ring resizing, jewellery plating, watch battery replacements, rethreading, engraving, jewellery valuations, and jewellery cleaning and polishing.

Yes, we offer both natural and lab-grown diamond options to suit a range of styles and budgets. We can also create bespoke jewellery in your preferred diamond.

Absolutely. We work closely with clients to create bespoke jewellery pieces tailored to their ideas, style, and budget.

Yes, valuation services are available for insurance, estate, and personal purposes.

With over 35 years of South African, New Zealand and Australian industry experience, we are passionate about quality craftsmanship and personalised jewellery service.

Yes, we recommend booking a consultation so we can discuss your ideas, designs, gemstones, and budget in detail. You can reach out through our Contact Us page or send an email to cornerstonejewellersnz@gmail.com

Yes, we provide professional jewellery cleaning and polishing services to help restore shine and maintain your jewellery.

Repair times vary depending on the type of repair, however many standard repairs are completed within 1–2 weeks.

Yes, we repair many types of chains, clasps, and broken jewellery pieces.

Many rings can be resized both larger and smaller depending on the design and metal type. If rings are completely diamonds all around it might be a bit challenging or expensive to size it up. Best is to ask and let us look if we can size it for you.

Yes, we can locally source and replace missing diamonds and coloured gemstones where suitable. We will try our best to find the same colour and size of the stone or suggest similar stones or more affordable choices.

Different jewellery requires different care methods. We assess each piece individually to ensure safe cleaning.

Yes, we take great care when repairing sentimental, antique, and heirloom jewellery pieces to the best of our abilities. If pieces are beyond repair we will let you know immediately.

Repair costs vary depending on the type of work required and the metal. We can provide an assessment and quote before proceeding.

Yes, white gold rings can be professionally rhodium plated to restore their bright white finish.

Appointments are not always necessary, walk-ins are always welcome.

Wear your pearls often to keep them hydrated with your skin's natural oils. Always put them on after applying makeup or perfume to avoid exposure to chemicals. After wearing, gently wipe them with a soft, damp cloth. For a deeper clean, use mild soapy water and a soft cloth. Store them in a soft pouch or lined box, separate from other jewellery. If you wear them frequently, consider restringing them every 1–2 years.

Store your chains in a hanging position to prevent tangling and tarnishing. If stored in a box, they can become tangled and tarnished over time.

Clean your jewellery weekly using warm water, mild soap, and a soft brush. Rinse thoroughly and dry with a soft cloth. Avoid household cleaners, perfumes, lotions, and hairsprays. Store each piece separately in a soft pouch or lined box, and remove your jewellery before swimming, exercising, or doing chores.

Bring your ring to us every six months for a professional cleaning and claw inspection. Regular check-ups help keep your stones secure and your ring in top condition.

Rhodium plating is a process where a thin layer of rhodium, a rare and durable precious metal, is applied to jewellery, typically over white gold, silver, or platinum. This plating enhances the jewellery’s appearance by giving it a brilliant, reflective white finish and adds a protective layer that resists scratches, tarnish, and corrosion. Over time, rhodium plating can wear off, especially on rings and other frequently worn pieces. It’s recommended to have your jewellery re-plated every 12–18 months to maintain its shine and protection.

Engagement ring budgets vary greatly depending on personal preference, style, and gemstone choice. We offer options to suit a range of budgets and can help guide you through the selection process. You can take a look at our Wedding band services or contact us.

Classic solitaire designs, oval diamonds, and hidden halo settings are currently among the most popular engagement ring styles in Auckland.

Yes, we specialise in custom bespoke engagement rings designed to reflect your individual style and story. If you already have ideas of what you love, contact us and we can make it work.

Custom engagement rings typically take up to 6 weeks depending on the complexity of the design and gemstone availability. Reach out to us with a design and ring specifications for us to give you a more accurate timeframe.

Yes, we can help you select a diamond or gemstone based on your preferred size, quality, shape, and budget. We source our stones from local New Zealand suppliers and will let you know of availability.

Platinum and gold are both popular durable choices for everyday wear, with the best option depending on your style and lifestyle preferences.

Lab-grown diamonds and natural diamonds look the same and share identical chemical and physical properties, including brilliance and durability. The main difference is their origin: natural diamonds form over millions of years deep within the Earth, while lab-grown diamonds are created in weeks using advanced technology. Lab-grown options are more sustainable and budget-friendly without sacrificing quality or beauty.

Yes, ring resizing services are available on-site. We would love to see your pictures.

Absolutely. We can work from inspiration photos, sketches, or ideas to create a custom design. You can send them to cornerstonejewellersnz@gmail.com and we can work out the cost in your preferred metal and stones.

We can offer advice and sizing guidance to help estimate the correct ring size discreetly. If they have a ring they wear on the finger you can use that as a guide as well.

Yes, we create custom wedding bands tailored to your style, preferred metal, and existing engagement ring.

Absolutely. We can design wedding bands to sit perfectly alongside your engagement ring. Or contact our suppliers if they have the preferred style you're looking for.

Popular wedding band metals include platinum, yellow gold and white gold, depending on your style and durability preferences. You can browse our collection of special weddings bands that are made to size.

Production times vary depending on the design, but custom wedding rings generally take up to 3 weeks to complete.

Yes, engraving services are available for many wedding band styles.

Yes, men’s wedding bands are available in a variety of widths, profiles, finishes, and metal options. Take a look at our detailed wedding band services with different styles that are made to size.

Our custom jewellery process begins with a consultation where we discuss your ideas, gemstones, style preferences, and budget before creating a unique design.

Yes, we can remodel and redesign existing jewellery into a fresh new piece while preserving sentimental value.

In many cases, yes. We can assess your gemstones and discuss suitable design options.

For many custom designs, CAD renders or design concepts can be provided prior to manufacturing.

Production times vary depending on complexity, however bespoke jewellery generally takes several weeks to complete.

Costs depend on the design, gemstones, and materials selected. What makes it a bit more expensive is the labour costs.

We work with a variety of metals including platinum, yellow gold, white gold, rose gold and Sterling Silver.

Rhodium plating is a highly reflective protective coating often applied to sterling silver jewellery to enhance shine and provide a bright white gold or platinum-like finish.

Georgini is a popular Australian jewellery brand known for combining timeless elegance with modern, fashion-forward design. Established in 2004, Georgini offers stylish jewellery collections designed for both everyday wear and special occasions.

Yes, Cornerstone Jewellers is proud to stock a selection of Georgini jewellery collections in-store and online. We have a catalogue in store where we can order any piece that catches your eye.

Georgini jewellery is crafted using premium materials including rhodium-plated 925 sterling silver, cubic zirconia, semi-precious stones, freshwater pearls, and 18ct gold plating.

Yes, Georgini jewellery is made from 925 sterling silver, which contains 92.5% pure silver combined with other metals for added strength and durability.

Like all sterling silver jewellery, Georgini pieces may naturally tarnish over time. However, rhodium plating and protective e-coating help reduce tarnishing and improve durability with proper care.

E-coating is an additional protective layer applied to jewellery to help resist tarnishing, scratching, and everyday wear while extending the life of the finish.

Georgini uses a combination of cubic zirconia and natural semi-precious stones including White Topaz, Pink Quartz, Blue Topaz, and Amethyst.

Cubic zirconia, often referred to as CZ, is a high-quality synthetic gemstone known for its brilliance and durability, offering a diamond-like appearance.

Some Georgini designs feature freshwater pearls, while others may include shell-based pearls designed to achieve a classic pearl look.

Yes, Georgini jewellery is designed to combine style, quality, and durability, making many pieces suitable for everyday wear with proper care.

To maintain the beauty of your Georgini jewellery, we recommend storing pieces separately, avoiding exposure to chemicals and moisture, and cleaning gently with a soft jewellery cloth.

Georgini jewellery is a popular gift choice for birthdays, anniversaries, weddings, and special occasions thanks to its elegant and versatile designs.

Yes, Georgini regularly releases new jewellery collections throughout the year, offering fresh and on-trend designs.

Yes, Georgini proudly remains Australian-owned and is distributed worldwide.