pink sapphire · Sapphire · September Birthstone ·17 Sep, 2026

The Ultimate Guide to Sapphires

September's Birthstone Offers Colour Diversity & The Ultimate Choice of Stone for a Bespoke Piece of Jewellery

The Endless Allure of the September Birthstone

For centuries, the sapphire has held a position of unmatched reverence in the world of fine jewellery. Traditionally celebrated as the September birthstone, this magnificent gem is much more than a beautiful birthright. It is an enduring symbol of wisdom, nobility, and sincerity, making it one of the most desired gemstones for celebrating life's most meaningful milestones. Whether you are a young couple embarking on your first serious jewellery journey or a custodian of family memories looking to remodel inherited treasures, the sapphire offers a world of aesthetic and emotional possibilities.

At John Franich Jewellers, our ethos is simple: Real Jewellery. Real Jewellers. Real Stories. We believe that acquiring a fine piece of jewellery should never be a generic transaction; it should be a memorable, deeply personal experience. Operating from our boutique in the Northwest Shopping Centre, we combine our seventy-five years of collective family expertise to guide you through the process of choosing or crafting a sapphire masterpiece that is uniquely yours.

The Science of Corundum: Hardness and Longevity

To truly appreciate The Sapphire Collection, one must understand its remarkable physical properties. Sapphire is one of the two primary gem-varieties of the mineral corundum. The other variety is ruby, which is defined strictly as corundum in a shade of red. Aside from its breathtaking beauty, sapphire possesses a structural resilience that makes it exceptional for daily wear.

Sapphire has a remarkable hardness, with a score of 9 on the Mohs scale. This makes it the third-hardest mineral after diamond, which sits at 10, and moissanite. In the context of manufacturing jewellery, this hardness is of supreme importance. Everyday rings, especially engagement rings and wedding bands, are subjected to constant friction, accidental bumps, and environmental exposure. A gemstone with a high hardness rating resists scratching and maintains its polished lustre over decades, ensuring that your jewellery remains as brilliant as the day it was first slipped onto your finger.

From a master jeweller's perspective, this physical strength also allows for intricate, secure setting styles. In our on-site Auckland workshop, we meticulously evaluate the structural integrity of every setting. Mass-produced jewellery often uses cast, thin claws that wear down prematurely. Conversely, a piece handcrafted by a Trade Certified Master Jeweller is built with robust metalwork designed to cradle the gemstone securely, protecting your investment for generations.

A Spectacular Spectrum: Exploring Sapphire Colours

While the classic, deep royal blue is the most famous sapphire colour, this gemstone is actually a mineral chameleon. Trace chemical impurities substituting for aluminium ions in the corundum crystal lattice create a literal rainbow of possibilities, collectively known in the trade as fancy sapphires.

Classic Blue Sapphires

Blue sapphires are evaluated based on their hue, saturation, and tone. Hue is the colour itself, saturation is its vividness, and tone is its lightness to darkness. The highest prices are commanded by pure, vividly saturated blues. Historically, the most coveted blue sapphires originate from the Paddar Valley in Jammu and Kashmir, India. These stones are world-renowned for their superior, vivid blue hue coupled with a sleepy, velvety appearance, often described by gem enthusiasts as blue velvet. While Kashmir sapphires are exceptionally rare, other premium deposits are found in Sri Lanka, Madagascar, and Myanmar.

Fancy Sapphires: A Rainbow of Personality

If a sapphire is any colour other than blue or red, it is classified as a fancy sapphire. These natural gemstones allow you to express your individual personality through a diverse palette of colours:

Pink Sapphires: These stones occur in shades ranging from light to deep pink, intensifying in colour as the concentration of chromium increases. A highly saturated pink sapphire sits on the very boundary of being classified as a ruby.
Yellow and Orange Sapphires: Coloured primarily by trace amounts of iron, these warm-toned gems range from pale straw yellow to deep, fiery orange.
Green and Purple Sapphires: Purple sapphires contain trace amounts of chromium alongside iron and titanium. Green sapphires, on the other hand, derive their subtle forest and olive tones from iron impurities.
Parti Sapphires: These are spectacular multicoloured stones exhibiting distinct zoning of different colours within a single crystal. For example, a single stone might display segments of bright yellow and deep blue. Australia is the largest source of these unique particoloured sapphires. Because no two parti sapphires are ever alike, they are highly sought after by those wishing to create an entirely one-of-a-kind bespoke ring.

Rare Phenomena: Padparadscha, Star, and Colour-Change Sapphires

For the serious collector, some sapphires display optical phenomena that are incredibly rare in nature:

Padparadscha Sapphires: Deriving its name from the Sanskrit word for lotus colour, this delicate, pinkish-orange corundum is the rarest of all fancy sapphires. Totally natural, untreated padparadscha sapphires from Sri Lanka fetch the highest prices among non-blue varieties.
Star Sapphires: These stones display a star-like phenomenon known as asterism. When cut en cabochon (a smooth, rounded dome), needle-like inclusions of the mineral rutile aligned with the crystal structure reflect light to create a six-rayed, or occasionally twelve-rayed, star pattern.
Colour-Change Sapphires: Some natural sapphires show a dramatic change of colour depending on the lighting source, shifting from a beautiful blue-green in daylight to a warm purple or reddish-violet under incandescent indoor light. This alexandrite effect is caused by specific trace elements like vanadium absorbing different portions of the light spectrum.

The Bespoke Beginner: Designing Your Sapphire Engagement Ring

For young professionals entering their first serious jewellery journey, the search for the perfect engagement ring or wedding set can feel overwhelming. Many couples begin their search in mainstream mall chain stores, only to find that the selections lack authenticity and feel generic.

Our Bespoke Beginner customers seek a genuine connection to the artisan crafting their ring. They want real jewellery made with care and integrity, rather than mass-produced items shipped from overseas factories. A custom-designed sapphire ring offers the perfect blend of modern individuality and traditional romance.

When you sit down with our family at John Franich Jewellers, we guide you through a transparent and collaborative design process:

Sourcing the Perfect Stone: As Antwerp Diamond Brokers, we ethically source and select both natural sapphires and diamonds, as well as high-quality lab-grown options, ensuring complete transparency and quality assurance.
CAD Visualisation: We believe in eliminating guesswork. Before John begins any bench work, we utilise advanced Computer-Aided Design (CAD) software to create highly accurate 3D renders of your ring. This allows you to refine and perfect the design, seeing exactly how the sapphire will sit alongside its accent stones.
Ultimate Value: To celebrate your marriage milestone, we offer an exclusive twenty per cent bundle discount when you purchase your custom engagement ring and both wedding bands together, providing master-crafted quality at an exceptional value.

The Legacy Keeper: Reimagining Sentimental History

For our Legacy Keeper clients, the journey is defined by emotion, history, and family heritage. You may have a jewellery box filled with old gold, broken chains, or inherited pieces that hold deep sentimental value but are simply no longer wearable or reflective of your personal style.

Online retailers can ship a box, but they cannot ship a legacy. A grandmother's sapphire ring or a family heirloom represents a story in physical form. Our specialised Heirloom Reimagined service acts as a trusted bridge between the past and the present, allowing you to repurpose, remodel, and reuse these precious materials.

During a complimentary consultation in our West Auckland boutique, we sit down to discuss your vision. We assess your inherited pieces, clean them professionally, and evaluate the gemstones. We then work collaboratively to sketch a contemporary design—perhaps transforming an outdated ring into a modern, daily-wear pendant.

Once the design is finalised, our on-site artisans carefully extract the original sapphires and diamonds. We can melt down your family's old gold right here in our workshop, reusing the very same precious metal to forge a brand-new, modern masterpiece. This sentimental redesign story ensures that the legacy of the original piece is preserved, allowing you to wear your family history with pride every day.

Born at the Bench: The John Franich Difference

The ultimate trust behind any custom jewellery design or restoration rests on the credentials of the craftsman. John Franich's journey in the jewellery trade began in the 1960s, giving him over sixty years of profound industry experience. John holds a highly prestigious Trade Certified Master Certification in Manufacturing Jewellery. Under the Masters and Apprenticeship Act, this elite status requires a jeweller to have successfully trained and guided apprentices throughout their entire apprenticeship until they achieve their own trade certification.

Furthermore, a Master Jeweller must uphold the highest standards of integrity and conduct their business in a manner that reflects credit to the trade. When you choose John Franich, you are choosing integrity you can see and quality you can feel.

Unlike mainstream retailers who act as middlemen and send your precious jewellery away to anonymous off-site factories, our fully equipped on-site workshop in Auckland handles repairs, resizing, and custom work locally. Whether we are performing a swift five-day ring resizing, checking the claws on your everyday jewellery, or setting a rare particoloured sapphire, every step of our process is handled with meticulous care.

Begin Your Custom Sapphire Journey Today

Whether you are drawn to the fiery, velvet depths of a classic Kashmir blue sapphire, the delicate peach tones of a rare padparadscha, or the unique, modern appeal of a locally sourced Australian parti sapphire, John Franich Jewellers is here to bring your vision to life.

We invite you to step away from the mass-produced and embrace jewellery made with genuine meaning. Visit our boutique to meet the real artisans who stand behind every piece, and let us help you craft the moments that define your life.