HALLMARK Collection: Matt 925 Silver Signet Rings

Hallmarks have been a secret between the wearer and the jeweller for too long. I am bringing them to light.

The HALLMARK collection turns the maker's mark and the 925 stamp into the design itself: silver signet rings, stacking bands, a charm bracelet and 13 mm earrings, all in matt sterling silver. The matt finish is worked by hand so the stamped detail stays readable instead of disappearing into a shine. Every piece is finished by hand and made to order in Germany.

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Showing 9 products
HALLMARK earrings 13mm in matt 925 Sterling Silver with hallmark stamp design by frantic studio
HALLMARK earrings in matt 925 sterling silver, further product view
HALLMARK Earrings 13mm – Matt
Price: $94.00 USD Regular price:
Price: $94.00 USD Regular price:
HALLMARK ring in matt 925 Sterling Silver with hallmark stamp design by frantic studio
HALLMARK ring in matt 925 sterling silver, further product view
HALLMARK Ring – Matt
Price: $142.00 USD Regular price:
Price: $142.00 USD Regular price:
HALLMARK MAKERS ring in matt 925 Sterling Silver with maker's mark design by frantic studio
HALLMARK MAKERS ring in matt 925 sterling silver, further product view
HALLMARK Makers Ring – Matt
Price: $196.00 USD Regular price:
Price: $196.00 USD Regular price:
HALLMARK stackable ring bundle of four in matt 925 Sterling Silver with visible hallmarks by frantic studio
HALLMARK stackable ring bundle in matt 925 sterling silver, further product view
HALLMARK Stackable Rings – Set of 4
Sale price: $236.00 USD Regular price:$463.00 USD
-49%
Sale price: $236.00 USD Regular price:$463.00 USD
HALLMARK FUNDAMENTAL bracelet in matt 925 Sterling Silver with industrial design and hallmarks by frantic studio
HALLMARK FUNDAMENTAL bracelet in matt 925 sterling silver, further product view
Price: $277.00 USD Regular price:
HALLMARK signet ring in matt 925 Sterling Silver with visible hallmark stamps by frantic studio
HALLMARK signet ring in matt 925 sterling silver, further product view
HALLMARK signet ring in matt 925 sterling silver with the HORSE hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the JESTER SPLIT hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the FLOWER hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the JESTER hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the PURITY hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the SCALE hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the DANCING JESTER hallmark motif
HALLMARK signet ring in matt 925 sterling silver with the 925 STAMP hallmark motif
HALLMARK Signet Ring – Matt
Price: $136.00 USD Regular price:
Price: $136.00 USD Regular price:
HALLMARK rings in matt 925 Sterling Silver with visible hallmark stamps by frantic studio
HALLMARK rings in matt 925 sterling silver, further product view
HALLMARK rings in matt 925 sterling silver with visible hallmark stamps, further product view
HALLMARK rings in matt 925 sterling silver stacked together, further product view
HALLMARK Rings – Matt
Price: $114.00 USD Regular price:
Price: $114.00 USD Regular price:
HALLMARK charm bracelet in matt 925 Sterling Silver with hallmark stamp charms by frantic studio
HALLMARK charm bracelet in matt 925 sterling silver with oxidized charm details
HALLMARK charm bracelet in matt 925 sterling silver with polished charm details
HALLMARK Charm Bracelet – Matt
Price: $304.00 USD Regular price:
Price: $304.00 USD Regular price:
HALLMARK pendant necklace in polished 925 Sterling Silver with hallmark stamp pendant by frantic studio
HALLMARK pendant necklace in polished 925 Sterling Silver, detail view of the hallmark pendant by frantic studio
HALLMARK Pendant Necklace – Polished
Price: $304.00 USD Regular price:
Price: $304.00 USD Regular price:
A round red wax seal with a embossed infinity symbol in the center, isolated on a white background.
Unlimited Exchanges
Free size exchanges.
A round red wax seal with a scalloped edge and an embossed design of two hands above a leaf motif, shown on a plain white background.
Made in studio
Each 925. piece by me
A round red wax seal with a scalloped edge and five embossed stars in the center, shown on a plain white background.
4.9/5 200+ Reviews
Over 2000 Customer orders
A red wax seal with a embossed scale of justice symbol, isolated on a white background.
Certified 925. Silver
Certified RAW Sterling Silver

Crafted by Hand, Tracked with Care

Follow the journey of your unique piece from my workshop to your doorstep.

FAQ

WHY CHOOSE FRANTIC STUDIO ?


It means the piece is made from a silver alloy that is mostly pure silver.In everyday terms, 925 sterling silver is the standard for wearable silver jewelry because it is strong enough for rings and bracelets while still being real silver. “925” refers to the silver content, which is 92.5 percent silver. That definition is also reflected in international jewelry standards like ISO 19376-1:2025(en), Jewellery and precious metals - Vocabulary 2025.

For most people, sterling silver is a comfortable, skin friendly option.

Everyone’s skin is different, but silver itself is not a common trigger compared with metals like nickel. FRANTIC STUDIO focuses on high grade 925 sterling silver for durability and comfort. If you have a known metal allergy, it is still smart to be cautious and stop wearing any piece that irritates your skin. A medical review found silver allergy reports are very uncommon, with only one confirmed case documented in the literature it surveyedContact dermatitis with a highlight on silver: A review - University of Texas Medical Branch 2010.

That darker look is an intentional finish that gives the design more depth and contrast.

On pieces like the OSMOSIS Ring and the EMBERLOCK Special Edition Necklace, the oxidized look is part of the style. FRANTIC STUDIO also avoids synthetic anti tarnish coatings, so the surface can change naturally with wear and develop patina over time. Silver reacts with things in the air and your environment, which is why the look can evolve. If you are curious about the basic chemistry behind why silver darkens, it is tied to silver sulfide forming on the surface over timeSimulations solve mystery of why silver tarnishes - Chemistry World 2019.

Keep it gentle, and start with a soft polishing cloth.For everyday care, a silver polishing cloth is usually enough. If the piece needs a deeper clean, mild soapy water and a gentle dry can help, then you can lightly polish again. Try to avoid harsh chemicals and aggressive scrubbing, especially around details and edges. If your piece is oxidized, polishing too hard can brighten areas that were meant to stay darker, so go slowly and focus on the spots you actually want to lift.

Store it dry and sealed when you are not wearing it.Silver darkens faster in humid air and when it is exposed to certain materials. A simple routine helps a lot: wipe the piece after wearing it, store it in a closed pouch or zip bag, and keep it away from damp bathrooms. If you want an extra easy upgrade, add a small silica gel packet to the storage pouch to help keep moisture down. Also avoid storing silver in contact with rubber bands or certain foams since those can speed up tarnish.

Yes, the designs are intended to work for anyone, and they are styled in a bold, architectural way.If you are shopping unisex jewelry, sizing and proportions matter more than labels. For rings, it helps to measure a ring you already own that fits well, or get sized at a local jeweler. For bracelets, measure your wrist snugly and decide if you want a close fit or a bit of movement, especially for heavier styles like the AGONY Heavy Bracelet. If you are between sizes, choosing the more comfortable option is usually the better call for everyday wear.

Handcrafted means the pieces are made and finished by hand, so small variations are normal.FRANTIC STUDIO is described as a one man project, and each piece is hand finished rather than mass produced. That usually means you can expect the same overall design, but tiny differences in surface texture, patina, and the way light catches edges can happen. Many people actually like that, since it makes the piece feel more personal and less factory perfect.

You bring your idea, and the studio works with you to turn it into a one of a kind piece.A simple way to think about it is: share your inspiration, align on the direction, then the piece gets designed and made. Helpful things to include are rough sketches, reference photos, and what kind of item you want, like a ring, bracelet, or necklace. Since it is a one man studio and each project is different, timing and details can vary, so it helps to be clear about any deadlines early on.

It is a newer studio, and the page shows strong feedback from people who have bought before.FRANTIC STUDIO is described as being established in 2023 and run as a one man project. If trust is your main question, reviews are a helpful signal. The site highlights a 4.9 out of 5 rating with over 100 reviews, which suggests buyers are generally happy with what they received. If you are still unsure, it can help to start with one piece and learn how you feel about the weight, finish, and patina over a few weeks of wear.