Understand what your jewellery is made of
- Robella
- May 26
- 5 min read
Not all jewellery is created equally - and understanding the materials behind your favourite pieces can help you shop more confidently, care for your jewellery properly, and choose pieces that suit your lifestyle. From stainless steel and plated finishes to sterling silver, each material offers its own balance of durability and appearance.
Here's a closer look at the materials you'll find throughout the Robella collection.
THE METALS: STRONG FOUNDATIONS
316L Stainless Steel
One of the most popular materials in modern jewellery, 316L stainless steel is valued for its exceptional durability and low-maintenance nature. Originally developed for demanding industrial and medical applications, it has become a favourite for everyday jewellery designed to be worn often.
Appearance: A bright silver-toned metal with a smooth, polished finish. Stainless steel maintains its clean appearance over time and can also be finished in gold, rose gold, or black through advanced coating techniques.
Properties: 316L stainless steel is tarnish-resistant, corrosion-resistant, and highly durable. It is water-resistant nature makes it ideal for everyday wear, while its hypoallergenic qualities make it suitable for most wearers.
Titanium
Titanium offers an impressive combination of strength and lightness. Despite being incredibly durable, it weighs significantly less than many traditional jewellery metals, making it exceptionally comfortable to wear.
Appearance: A refined silver-grey metal with a contemporary aesthetic. Depending on the finish, titanium can appear softly matte or highly polished.
Properties: Titanium is extremely lightweight yet remarkably strong. It resists corrosion, stands up well to daily wear, and is naturally hypoallergenic, making it an excellent choice for sensitive skin.
S925 Sterling Silver
A timeless jewellery classic, sterling silver has been cherished for centuries for its beauty and versatility. S925 sterling silver contains 92.5% pure silver, blended with strengthening alloys to improve durability.
Appearance: A brilliant white-metal shine with a soft, elegant lustre that complements both modern and traditional jewellery designs.
Properties: Sterling silver is a precious metal known for its beauty and versatility. It is hypoallergenic for most wearers, can be professionally polished and restored, and may naturally develop tarnish over time, which can easily be removed with proper care.
Platinum
Platinum is one of the world's most prestigious jewellery metals. Naturally rare and exceptionally durable, it is often associated with fine jewellery and heirloom-quality pieces.
Appearance: A naturally white metal with a rich, understated glow that never requires plating to maintain its colour.
Properties: Platinum is exceptionally durable, naturally tarnish-resistant, and denser than most other jewellery metals. Its rarity and longevity make it a premium choice for pieces designed to last a lifetime.
PLATING: THE FINISHING TOUCH
18K or 14K Gold PVD Plating
PVD (Physical Vapour Deposition) is a modern coating technology that creates a stronger bond between the gold finish and the underlying metal than traditional plating methods.
Appearance: A rich yellow-gold or rose-gold finish with a luxurious shine that closely resembles solid gold.
Properties: PVD plating is significantly more durable than conventional gold plating. It offers excellent colour retention, resists fading from everyday wear, and provides a sweat-resistant finish that helps jewellery maintain its appearance for longer.
Platinum or Rhodium Plating
Rhodium and platinum plating are often used to enhance the appearance and longevity of silver-toned jewellery. These premium finishes provide additional protection while creating an exceptionally bright surface.
Appearance: A highly reflective silver-white finish with a crisp, luxurious shine.
Properties: These platings help protect jewellery from tarnishing while improving surface durability. They create a smoother, brighter finish and enhance the overall appearance and longevity of the piece.
Silver Plating
Silver plating offers the appearance of sterling silver while maintaining a more accessible price point. A layer of silver is applied over a base metal to create a clean, polished finish.
Appearance: Cool, clean silver tone with reflective shine.
Properties: Silver plating provides an attractive silver finish at a more affordable price. While lightweight and visually appealing, it may require occasional care to help preserve its appearance over time.
THE STONES: RELIABLE BRILLIANCE
Resin
Fashion jewellery often embraces creativity, colour, and statement design.
Appearance: Lightweight, durable plastic-like polymers molded into shapes. They are highly affordable and flexible, used mostly in crafts and custom apparel.
Properties: Moderate durability with a high scratch resistance but, cloudier than glass.
Rhinestone
Rhinestones allow for bold, expressive pieces that capture attention without compromising comfort.
Appearance: A Glass, Lead Crystal, or Acrylic available in countless colours, finishes, and effects, from crystal-like sparkle to playful translucent finishes. It boast a high sparkle and clarity due to a foil backing.
Properties: Rhinestones are lightweight, versatile materials that allow for creative and fashion-forward designs. Their comfortable wearability makes them ideal for statement pieces and trend-led collections.
Cubic Zirconia (CZ)
A beloved alternative to diamonds, Zirconium Dioxide (Crystalline) / Cubic zirconia has become one of the most popular diamond alternatives thanks to its exceptional clarity and sparkle. Created in a laboratory, it offers a consistent and beautiful finish at an accessible price.
Appearance: Clear sparkle with diamond-like brilliance.
Properties: Cubic zirconia is lab-created for consistency and quality. It is durable, waterproof, and offers impressive brilliance, making it a practical and affordable choice for everyday jewellery.
Moissanite
Moissanite has earned a reputation as one of the most impressive diamond alternatives available today. Its exceptional brilliance and durability make it a favourite among those seeking luxury without compromise.
Appearance: Remarkable sparkle with intense flashes of colour and light, often displaying even more fire than a diamond.
Properties: Moissanite is a lab-grown gemstone known for its exceptional brilliance and durability. It offers an ethical alternative to traditional gemstones while remaining suitable for everyday wear. It has a high durability 8.0 to 8.5 on the Mohs scale.
Semi-Precious Stones and Diamonds
Natural gemstones bring individuality and character to every piece. From colourful semi-precious stones to the unmatched prestige of diamonds, these materials offer timeless beauty formed by nature itself.
Appearance: Unique colours, inclusions, textures, and patterns ensure that no two stones are exactly alike. Diamonds remain celebrated for their unmistakable brilliance and clarity.
Properties: Naturally formed over time, these stones possess unique characteristics that make every piece distinctive. They offer lasting beauty, enduring value, and a timeless appeal that transcends trends. Stonees hardness varies depending on its composition; diamonds are the hardest of all.
At Robella, we believe you shouldn’t have to choose between beauty, durability, and comfort. That’s why every piece is carefully crafted using long-lasting metals, protective coatings, and high-quality stones that meet our standards of being:
Tarnish-free
Hypoallergenic
Water-resistant
So whether you're in the shower, at the gym, or headed out for dinner, your jewellery stays just as flawless as you are.
Ready to Wear Better Jewellery? Discover your new favourites, where every piece is made to last.

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