Infinity Collection

A refined expression of ONTOO’s signature style, the Infinity collection blends timeless elegance with sensual simplicity. Crafted in rose gold with elongated oval forms and gemstone accents, each piece is designed for enduring beauty and everyday comfort.

“Our Infinity collection reflects the heart of ONTOO—simplicity, longevity, and versatility,” says founder Martina. “It’s made to elevate both the everyday and the extraordinary.”

Available in a curated selection of rings, bracelets, necklaces, and hoops—customizable or ready to wear. Discover effortless luxury, wherever life takes you.

Unique design meets luxury jewellery

ONTOO’S Showroom

A private space to discover ONTOO at your own pace. Explore our collections, experience exceptional craftsmanship, and receive personalised guidance in selecting or creating a piece you'll treasure for years to come.

Diamonds Addiction

Zip-Flower Diamond Necklace
from CHF 1,450.00

The Medium Zip-Flower Diamond Necklace in white gold redefines modern elegance with its sleek, delicate zip-flower motif adorned in shimmering pavé diamonds. Designed with an adjustable length, this versatile piece effortlessly adds a touch of refined luxury and subtle sparkle to any ensemble.

This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

Medium Gold Flower Diamond Earrings
from CHF 10,190.00

Medium Gold Flower Diamond Pavé Earrings. Featuring a versatile design with both clip-on and foldable stud options, these medium-sized gold flower earrings are adorned with sparkling diamond pavé detailing—perfect for comfort and elegance in one.

This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

Mini Flower Diamond Necklace
from CHF 2,990.00

Gold Mini Flower Diamond Pavé Necklace. A stunning and delicate piece that adds a touch of everyday luxury and elegance to any occasion. Perfectly designed to complement both casual and special moments.

This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

Customise Your ONTOO Piece

Luxury that adapts to you.

At ONTOO, we believe that jewellery should be as unique and multifaceted as the women who wear it. That’s why every ONTOO piece is designed with versatility and personalisation in mind — made to be added onto, layered, adapted, and elevated over time.

ON+TOO

The name says it all.

"ON" represents the jewellery you already own. "TOO" is the next piece you choose to add.

ONTOO was created with the belief that a jewellery collection should evolve with you—growing over time through meaningful pieces chosen to celebrate life's moments.

Because the finest collections are never finished. They are simply added to.

Gold Diamond Iconic Necklace
from CHF 1,180.00

Little Gold Iconic Necklace with Diamond Pavé. A refined piece from the ONTOO Iconic Collection, this delicate gold necklace features a small, iconic cross-inspired pendant adorned with shimmering diamond pavé. Understated yet radiant, it's the perfect everyday luxury — elegant worn alone or layered with other favorites.

This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

Gold Diamond Iconic Earrings
from CHF 990.00

Versatile 14K rose gold earrings celebrate modern luxury with a refined twist on the classic Greek cross. The set features a brilliant diamond stud paired with two detachable Iconic elements—wear the stud alone for minimalist elegance, or layer the Iconics for a bold statement. Available in smooth rose gold or accented with pavé diamonds, this sophisticated design effortlessly balances symbolic beauty, contemporary style, and timeless craftsmanship.


This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

Iconic Pendant
from CHF 2,680.00

Available in two exquisite sizes, the Iconic Pendant in 18K rose gold defines modern luxury. The medium pendant (19.87 mm) offers a refined pavé setting of champagne or TTLB diamonds, while the larger Iconic Big Pendant (25.30 mm) dazzles with approximately 90 TTLB diamonds totaling 2.33 ct. Both sizes embody timeless sophistication and can be personalized—click ‘Customize’ to request a chain and complete your perfect necklace.


This piece is fully customizable — choose your preferred gold finish, gemstone, or add detachable elements to make it uniquely yours.

Click here to CUSTOMIZE!
Connect with our team and make your jewellery dreams come true!

  • "Luxury today is about authenticity and craftsmanship—not logos. ONTOO captures that perfectly."

    —Corinne, Zurich, Customer

  • "My ONTOO ring has become part of my everyday signature."

    — Pia, Madrid, Customer

  • "I am someone who's constantly travelling for work, I wanted jewellery that I can use easily from meetings to dinner. With my ONTOO Necklaces and earrings I can exactly do that."

    — Christina, Meggen, Customer

  • "I don’t think jewellery should stay in a safe. ONTOO created something precious enough to treasure and comfortable at the same time to wear every day."

    - Ute, Munich, Customer

  • "I chose a personalized necklace to celebrate becoming a mother. It's timeless, meaningful, and something I hope to pass on one day."

    - Victoria , Geneva, Customer

  • "I've owned fine jewellery for years, but my ONTOO necklace is the piece I wear every day. It's understated, elegant, and feels uniquely mine."

    - Sophie, Paris, Costmer

  • "I love my ONTOO flower rings, I own them in different stones and gold colors. The craftsmanship is exceptional. and I receive compliments every time I wear them."

    - Laura, Lugano, Costumer

Contact us.

+41 76 445 49 94
contact@ontoo.ch