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Duo Bijoux

Infinity Necklaces Duo

Regular price €19,90 EUR
Regular price Sale price €19,90 EUR
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Infinity necklace duo – 18K gold-plated stainless steel

Give (or share) a timeless symbol with this matching infinity necklace duo : a large 21mm infinity pendant and a small 16mm infinity pendant . Minimalist, elegant, and incredibly easy to wear, this infinity necklace duo is perfect for a couple , best friends , a parent and child , siblings, or any relationship that matters.

The infinity symbol represents an eternal bond: a strong, lasting connection that never fades. If you're looking for an infinity couple's jewelry set or a parent-child infinity necklace , this duo is one of the most meaningful gifts.


New: available in duo or solo (large or small infinity)

To suit all preferences, this model is available in several options:

  • Duo : 2 matching necklaces (large infinity 21 mm + small infinity 16 mm)
  • Solo large : infinity necklace 21 mm (sold individually)
  • Small Solo : Infinity necklace 16 mm (sold individually)

Ideal for gifting a duo necklace (two people, two sizes) or completing a duo with a single purchase.


The Duo Bijoux concept: an infinity necklace for two, designed to be worn together.

At Duo Bijoux, our duo jewelry is designed to celebrate relationships. This infinity necklace duo combines two complementary sizes for a harmonious look: 21 mm for one, 16 mm for the other.

  • Infinity necklace for couples : a symbol of love and commitment
  • Infinity necklace best friends : complicity and promise
  • Parent-child infinity necklace : strong family bond
  • Infinity necklace for sister/brother : unbreakable bond

Jewelry details

  • Material : High-quality stainless steel plated with 18K gold
  • Finish : polished gold (slightly brushed interior) – bright and premium look
  • Thickness : approx. 1.2 mm
  • Design : open infinity symbol, modern and minimalist
  • Closure : secure carabiner
  • Extension : 5 cm (perfect fit)
  • Hypoallergenic : nickel-free
  • Water resistant : won't rust or tarnish, designed for everyday use

Looking for a stainless steel infinity necklace that lasts? 18K gold-plated stainless steel is one of the best choices for everyday wear: durable, strong, and easy to care for.


Infinity pendant sizes

  • Small infinity : 16 mm long
  • Grand infinity : 21 mm long

The two sizes were designed for a balanced and elegant duo: the large 21mm infinity brings presence, the small 16mm infinity remains discreet and refined.


Available lengths (with 5cm extension)

Duo:

  • 35 cm + 35 cm
  • 50 cm + 50 cm
  • 35 cm + 50 cm

Solo:

  • 35 cm
  • 50 cm

The 35cm length is perfect for a light choker, and the 50cm for a lower drape. The 5cm extension allows for easy adjustment to suit your neck and style.


Why choose this infinity necklace duo?

  • A minimalist, chic and timeless duo infinity necklace
  • A symbolic piece of jewelry for couples, best friends, or parent-child pairs.
  • An 18K gold-plated infinity necklace that is water-resistant and suitable for everyday wear.
  • A simple, elegant gift that can be worn for a long time.
  • Delivered ready to gift in its Duo Bijoux box

A perfect gift idea: for couples, best friends, parents & children

This duo of infinity necklaces is an ideal gift for: birthdays , Valentine's Day , Mother's Day , best friends , couples , parent-child , or simply to say "I'm thinking of you".

Because some bonds deserve a symbol: an infinity necklace that we wear and keep.


FAQ – Infinity Necklace Duo

Is this infinity necklace water-resistant?

Yes. This stainless steel infinity necklace (18K gold plated) is designed to withstand everyday wear: it does not rust or tarnish easily.

Which size should I choose: 35 cm or 50 cm?

35 cm gives a closer fit to the neck, while 50 cm falls lower. Thanks to the 5 cm extension, you can adjust it to suit your body shape. For a matching set, the 35 + 50 cm combination is often the most harmonious.

Who should I give a pair of infinity necklaces to?

This infinity necklace duo is perfect as couple jewelry , best friend jewelry , or parent-child jewelry . The infinity symbol is suitable for all strong relationships.

Is it hypoallergenic?

Yes. The jewelry is nickel-free and suitable for most sensitive skin types.

Is the duo delivered ready to give as a gift?

Yes, your duo of infinity necklaces comes ready to give in a Duo Bijoux gift box.

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