• A woman in a black top and denim shorts stands on a rocky cliff by the sea, showcasing her striking handmade jewelry—large statement rings and bracelets, including the elegant KEY CUFF by Kathl-Gross that beautifully complements her red nail polish.
  • Wearing a blue dress and gold jewelry—including the eye-catching Kathl-Gross KEY CUFF—a person sits on a vibrant, patterned chair with legs crossed and arms resting on their knees, their face out of frame.
  • The KEY CUFF by Kathl-Gross is a wide gold cuff bracelet featuring cut-out geometric and heart shapes, displayed upright against a softly blurred background of windows and buildings—an elegant accessory that beautifully pairs with other handmade pieces such as an adjustable ring or a delicate quatrefoil ring.
  • Two people wearing Kathl-Gross KEY CUFF gold bracelets and a handmade jewelry quatrefoil ring play chess outdoors on a stone surface, with green hills, flowers, and the blue sea in the background under warm sunlight.
  • A person in a yellow dress with gold jewelry, including the distinctive handmade KEY CUFF by Kathl-Gross, embraces and kisses the cheek of someone in a black tuxedo and bowtie, outdoors with green trees in the background.
  • A person wearing the Kathl-Gross KEY CUFF gold bracelet and an adjustable ring rests their hand on a balcony railing, with an apartment building and tree visible in the background.
  • A person in a yellow outfit wears chunky gold handmade jewelry from Kathl-Gross, including rings, a bracelet, and necklaces. Among the rings is the striking KEY CUFF adjustable ring featuring an intricate quatrefoil design. Another person sits nearby on the floor with various items scattered around, all set against a yellowish background.
  • The Kathl-Gross KEY CUFF, a shiny metal adjustable ring featuring heart and diamond-shaped cutouts, rests on dry grass with a blurred ocean and rocky coastline in the background.
  • A person stands on a beach wearing a blue and white striped bikini, complemented by the Kathl-Gross KEY CUFF—a large silver bracelet—and a belly button ring. They also showcase an elegant quatrefoil ring, handmade jewelry that adds a touch of sophistication. The ocean waves are visible in the background.
  • A woman in a black top and denim shorts stands on a rocky cliff by the sea, showcasing her striking handmade jewelry—large statement rings and bracelets, including the elegant KEY CUFF by Kathl-Gross that beautifully complements her red nail polish.
  • Wearing a blue dress and gold jewelry—including the eye-catching Kathl-Gross KEY CUFF—a person sits on a vibrant, patterned chair with legs crossed and arms resting on their knees, their face out of frame.
  • The KEY CUFF by Kathl-Gross is a wide gold cuff bracelet featuring cut-out geometric and heart shapes, displayed upright against a softly blurred background of windows and buildings—an elegant accessory that beautifully pairs with other handmade pieces such as an adjustable ring or a delicate quatrefoil ring.
  • Two people wearing Kathl-Gross KEY CUFF gold bracelets and a handmade jewelry quatrefoil ring play chess outdoors on a stone surface, with green hills, flowers, and the blue sea in the background under warm sunlight.
  • A person in a yellow dress with gold jewelry, including the distinctive handmade KEY CUFF by Kathl-Gross, embraces and kisses the cheek of someone in a black tuxedo and bowtie, outdoors with green trees in the background.
  • A person wearing the Kathl-Gross KEY CUFF gold bracelet and an adjustable ring rests their hand on a balcony railing, with an apartment building and tree visible in the background.
  • A person in a yellow outfit wears chunky gold handmade jewelry from Kathl-Gross, including rings, a bracelet, and necklaces. Among the rings is the striking KEY CUFF adjustable ring featuring an intricate quatrefoil design. Another person sits nearby on the floor with various items scattered around, all set against a yellowish background.
  • The Kathl-Gross KEY CUFF, a shiny metal adjustable ring featuring heart and diamond-shaped cutouts, rests on dry grass with a blurred ocean and rocky coastline in the background.
  • A person stands on a beach wearing a blue and white striped bikini, complemented by the Kathl-Gross KEY CUFF—a large silver bracelet—and a belly button ring. They also showcase an elegant quatrefoil ring, handmade jewelry that adds a touch of sophistication. The ocean waves are visible in the background.
A pink, abstract geometric symbol with lines and an arrow pointing down, centered on a teal circular background.

KEY CUFF

Price upon request
Tax included. Free Shipping.
Jewellery Material:

This product is available on request. Leave your email address and we will get back to you with a quote.

A quatrefoil shape filled with ornamental details through the center.

Developed from the OPEN KEY design. Also available as the KEY RING and KEY NECKLACE. 

Made by hand in the heart of Munich.

Size & Fit:
8 cm wide 
All rings are adjustable. We recommend choosing one size smaller.

Handcrafted in our Munich studio from 925 sterling silver or high-quality gold-plated brass.

  • Extra-thick local gold plating
  • Fully handmade
  • Slight variations make each piece one of a kind
  • Personalised stamping available
  • Custom sizing on request
  • 18k gold available on request

e.g., ring size 52 = 5.2 cm

Each piece arrives in our colorful jewellery bags made from recycled rice sacks, created together with a social enterprise in Sri Lanka. Durable, reusable, and meant to stick around. see more

Treat gently. Water (especially saltwater), hand cream, soap, perfume and cosmetics can gradually affect the finish. Remove before showering, swimming or exercising. Wipe with a soft cloth after wearing and store in a dry place. Sterling silver loves to be worn. Gold plating stays beautiful the longest with a little extra care.

As each piece is made to order, delivery within the European Union takes approximately 4 weeks.

We ship across Europe with DHL or UPS. Once your order has been dispatched, you will receive a tracking number.

Returns

For return information, please visit our refund policy
  • A yellow geometric symbol with a circle, lines, and arrow shapes is centered on a teal circular background.
    HANDMADE

    Our entire collection is handmade in Munich

  • A pink abstract geometric symbol with various lines and shapes is centered on a yellow-orange circle with a light gray background.
    Materials

    Solid silver or a thick layer of 18 k gold plating

  • A red abstract geometric symbol with arrows and lines is centered on a pink circular background.
    The COMMUNITY

    Our customers are our inspiration. Come and join us!

  • A blue, abstract geometric symbol with circles, lines, and arrows is centered on a purple circular background.
    SUSTAINABility

    Colorful packaging made in Sri Lanka from recycled rice sacks

A yellow geometric symbol with a circle, lines, and arrow shapes is centered on a teal circular background.
HANDMADE

Our entire collection is handmade in Munich

A pink abstract geometric symbol with various lines and shapes is centered on a yellow-orange circle with a light gray background.
Materials

Solid silver or a thick layer of 18 k gold plating

A red abstract geometric symbol with arrows and lines is centered on a pink circular background.
The COMMUNITY

Our customers are our inspiration. Come and join us!

A blue, abstract geometric symbol with circles, lines, and arrows is centered on a purple circular background.
SUSTAINABility

Colorful packaging made in Sri Lanka from recycled rice sacks

mix and match