• A hand with blue-painted nails wears four chunky Kathl-Gross OPEN KEY RINGs, each featuring unique handmade silver designs crafted in Munich, and rests on a blue fabric background.
  • A hand with red painted nails rests on denim-clad legs, adorned with a silver watch and the elegant Kathl-Gross OPEN KEY RING in gold. The person is seated, wearing boots, as sunlight highlights the handmade-in-Munich accessory gracing their hand.
  • A person in a red swimsuit, wearing gold jewelry—including adjustable rings and the Kathl-Gross OPEN KEY RING—and sporting blue nail polish, stands on a boat next to the water.
  • A person in a white dress wears bold gold jewelry, including an OPEN KEY RING by Kathl-Gross handmade in Munich, and has bright blue nail polish. One leg is crossed over the other. They wear pink shoes and hold their leg with both hands, showing off a stack of adjustable rings.
  • A person with long hair, dressed in a blue top and red pants, adorned with gold jewelry—including adjustable rings and the distinctive OPEN KEY RING from Kathl-Gross—sports blue nail polish while lighting a cigarette with a lighter. The scene is awash in a pinkish-red glow evocative of urban nights and bespoke style handmade in Munich.
  • A hand with red nail polish wearing three rings, including the OPEN KEY RING by Kathl-Gross—an adjustable gold ring shaped like a figure eight and handmade in Munich—is seen against a dark jacket at what appears to be a subway platform.
  • A hand with blue nails, gold jewelry—including adjustable rings—and a floral sleeve rests on a red hot air balloon basket, overlooking a dry, vast landscape below. The Kathl-Gross OPEN KEY RING glints in the sunlight, hinting at treasures handmade in Munich.
  • A hand with blue-painted nails wears four chunky Kathl-Gross OPEN KEY RINGs, each featuring unique handmade silver designs crafted in Munich, and rests on a blue fabric background.
  • A hand with red painted nails rests on denim-clad legs, adorned with a silver watch and the elegant Kathl-Gross OPEN KEY RING in gold. The person is seated, wearing boots, as sunlight highlights the handmade-in-Munich accessory gracing their hand.
  • A person in a red swimsuit, wearing gold jewelry—including adjustable rings and the Kathl-Gross OPEN KEY RING—and sporting blue nail polish, stands on a boat next to the water.
  • A person in a white dress wears bold gold jewelry, including an OPEN KEY RING by Kathl-Gross handmade in Munich, and has bright blue nail polish. One leg is crossed over the other. They wear pink shoes and hold their leg with both hands, showing off a stack of adjustable rings.
  • A person with long hair, dressed in a blue top and red pants, adorned with gold jewelry—including adjustable rings and the distinctive OPEN KEY RING from Kathl-Gross—sports blue nail polish while lighting a cigarette with a lighter. The scene is awash in a pinkish-red glow evocative of urban nights and bespoke style handmade in Munich.
  • A hand with red nail polish wearing three rings, including the OPEN KEY RING by Kathl-Gross—an adjustable gold ring shaped like a figure eight and handmade in Munich—is seen against a dark jacket at what appears to be a subway platform.
  • A hand with blue nails, gold jewelry—including adjustable rings—and a floral sleeve rests on a red hot air balloon basket, overlooking a dry, vast landscape below. The Kathl-Gross OPEN KEY RING glints in the sunlight, hinting at treasures handmade in Munich.
A pink, abstract geometric symbol with lines and an arrow pointing down, centered on a teal circular background.

OPEN KEY RING

€410,00
€410,00
Sale
Tax included. Free Shipping.
Jewellery Material:
Ring Size:
Made to order. Delivery in 4 WEEKS.

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A quatrefoil shape reduced to an open form. 

Also available as the OPEN KEY NECKLACE.

Made by hand in the heart of Munich.

Size & Fit:
3.5 cm long 
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