When you shop for silver jewelry with OTO Jewelry, you’ll notice we focus exclusively on timeless sterling silver (.925). You may still see Argentium pieces in the wider market, so we’ve included it here for comparison. Both alloys can produce stunning rings, bracelets, and necklaces, yet they differ in composition, tarnish resistance, color, cost, and care. Knowing those differences helps you decide which metal best matches your style preferences, budget, and maintenance goals—even if your final choice is our classic Sterling.
What Exactly is .925 Sterling Silver?
Traditional Sterling is a compound of 92.5% pure silver and 7.5% copper. Jewelers stamp it “925,” “.925 sterling silver,” or “silver 925” to check for that purity.

Copper makes the alloy’s cut for a reason: pure silver is too soft for every‑day-wear jewelry. The relatively small amount of copper in it is enough to lend the metal a hardness that is suitable for intricate stone settings, slender chains and airy filigreed work — but not so much that the silver’s characteristic luster is dulled. That’s why in intimate jewelry, you’ll find sterling in everything from delicate silver rings to chunky silver bracelets.
Pros
- Traditional “cool white” glow known the world over as fine silver
- Reasonably priced entry point for jewelry enthusiasts of fine pieces
- Simple to size, solder and repair for bench jewelers
Cons
- Copper does promote surface oxidation, resulting in the well-known-but-preventable tarnish (more on that later).
- Needs to be polished or rhodium plated regularly to maintain its original luster
Argentium Silver: A New Version of the Alloy
With Argentium, some (not all) of the copper is replaced by germanium, an arrangement that results in a patented alloy usually in 93.5 or 96 percent purities of silver. That minor adjustment dramatically changes performance in some counterintuitive ways.
Key Advantages
1. High Tarnish Resistance
It produces a clear oxide film which acts as surface protection. You’ll still have to wipe off fingerprints, but dark tarnish creeps in much slower than it does on classic sterling.
2. Whiter, Brighter Color
What shoppers often report noticing is that Argentium comes out of the workshop with a cooler cast — more similar to rhodium‑plated sterling. This makes it a very attractive option if you like the ultra‑white appearance of platinum but prefer the price of silver jewellery.
3. Higher Purity Option
At a 96% grade, it can be considered higher quality than even the sterling standard – without losing its firm shape, providing a high quality look to fashionable designs.
4. Eco Credentials
It is also frequently made with recycled silver and it features nickel free alloys which are attractive to environmentally conscious customers and those who suffer from skin allergies.
Potential Trade‑Offs
- Fewer mass‑market manufacturers, so style selection can be limited
- Slightly higher raw‑metal cost compared with .925 sterling
- “Argentium” stamp awareness is still growing; some shoppers aren’t familiar with the mark
Tarnish Test: Which Metal Ages the Best?

Sterling Silver
Molecules of copper near the surface react with sulfur in the air, forming a black layer of silver sulfide. In such conditions as high humidity or industrial environments, the dull appearance can show up in weeks if the item is not worn or stored as recommended. For the most part, they grab a polishing cloth, get it refinished once or twice a year and go on with their days.
Argentium Silver
Sulfide production is greatly retarded by the germanium oxide barrier. Most users never see this type of darkness for months, even a year, of mild wear. Though not 100% tarnish‑proof, Argentium is longer lasting in that freshly‑minted condition, time‑wise, decreasing upkeep chores and plating costs.
Sturdy & Durable: Today Grease, Tomorrow Unraveled
- As a copper alloy, Sterling can be hardened—a patina that measures around 95 on the Brinell scale, which is strong enough for daily‑wear rings and bangles but which can be scratched quite deeply during heavy manual work.
- Work‑hardened argentium 935 (93.5% pure) also has a similar hardness. Sterling is a little harder, yet closes the difference in a white at which scratches are less evident.
Both mixtures can be rhodium plated for added abrasion resistance – although Argentium’s natural shine results in many jewelers bypassing the plating altogether, allowing customers to enjoy pure silver lustre with no additional coatings.
Aesthetics: Color Tone, Finishes, and Gem Accents
Base Color
Sterling Silver: Cool white color with a touch of warmth from copper
Argentium Silver: Very white, like rhodium
Patina Potential
Sterling Silver: Will tarnish to historic gray if not polished
Argentium Silver: Keeps shiny, tarnishes gently
Best Match
Sterling Silver: Warm colored stones, silver rose gold touches, old‑school chic
Argentium Silver: Cool diamonds and sapphires in modern minimalist lines
Care & Cleaning by Alloy Type
Sterling Silver Care
- Keep it in an airtight pocket with anti‑tarnish strips.
- Polish once per month with a non‑abrasive cloth that has been treated with cleaner.
- For heavy tarnish, use a gentle bath of baking soda and warm water, rinse and dry thoroughly.
- For long term shine and ease of maintenance, think Rhodium Plated sterling silver.
Argentium Silver Care
- Clean with soft microfiber cloth after use to remove skin oils.
- An occasional soapy‑water rinse is normally all that is required.
- Stay away from harsh silver dips; they’re not needed and can damage the germanium layer.
- Some scratches can be buffed out by your local jeweler, though upgraded systems prevent you from having to worry much about tarnish.
Cost & Availability: What to Expect at Checkout So, What Is It, Exactly?
Sterling silver has been around for centuries, and sterling doesn’t tarnish among other things, so there are thousands of ready‑to‑ship sterling rings, pendants, and bracelets for every budget at OTO Jewelry and beyond. Argentium carries a slight premium to traditional sterling—typically 10–20% more per gram—due to patent claims and low production. Design lines are narrower, so pieces may take longer if on order.
Even so, many customers have decided that the lower polishing costs and the thrill of a whiter finish are well worth the price difference because, especially for heirloom-quality gifts like engagement rings or milestone bangles, a special gift deserves that special glow.
Picking the Best Metal for Your Look
- Choose Sterling when you need a timeless blend of era-defining design, an updated finish and value-based choices to balance your project’s budget. It’s great for oxidized designs, vintage‑inspired styles, and to mix with silver rose gold or gold silver mixed metals.
- Pick Argentium if you want low‑care shine, a contemporary minimal style ethic, or purest silver. Non-tarnishing and nickel-free, it’s perfect for sensitive skin and for those who wear it day in and day out so they don’t have to worry about tarnishing.
Final Thoughts
The difference between sterling and Argentium comes down to composition and therefore tarnish speeds, color tones, and cleaning regimens. Sterling continues to offer the unsullied, wide range of design flexibility and historical warmth. Argentium takes over when you lust after that ultra-bright finish and as little polishing as possible. Regardless of which alloy you prefer to wear, both provide the unmistakable sheen and brilliance of Silver jewelry.
Check out OTO Jewelry and discover curated selections of silver 925 classics and mixed‑metal masterpieces that are one step away from being your new signature jewel.