Frequently Asked Questions

Creations & Materials

What types of diamonds are utilized in Adaïr's diamond-adorned pieces?

We only use lab-grown diamonds of the highest quality, for clarity: VVS/VS (very very slightly included/very slightly included), for color: D/E/F.

We are currently working on fancy diamond colors for future collections.

Learn more about Lab-grown Diamonds

Are lab-grown diamonds guaranteed to be energy-efficient and durable?

Lab-grown diamonds can vary in their energy efficiency and durability.

At Adaïr, we prioritize ethical sourcing to eliminate any potential for unethical practices in our supply chain.

While we cannot guarantee uniform energy efficiency and durability across all synthetic diamonds, we are committed to partnering with suppliers who prioritize sustainability.

Our aim is to collaborate exclusively with suppliers using renewable energy sources by the end of this year, aligning with our dedication to environmental responsibility.

Learn more

Brain Teaser Necklace with Diamonds: How many diamonds are included, and what is their total carat weight?

The Brain Teaser Necklace features 8 round brilliant-cut diamonds, cumulatively weighing 0.13 carats.

Brain Teaser Necklace: How many grams of gold are in the gold piece?

The pendant contains approximately 5.3 grams of gold, which can vary depending on
the gold color. The chain is also 100% 18-carat gold.

Learn more about 18-carat Fairtrade Gold

Orders & Payments

Which payment methods does Adaïr accept?

Online: you can pay with the following credit cards: American Express, Visa, Mastercard, Maestro, and UnionPay. You can also choose to pay with Apple Pay, Google Pay, Bancontact, iDeal, and Shop Pay. Please note that payment methods may vary based on device type and location.

How may I check the status of my order?

If you have an Adaïr account, you can directly track your order by logging into MyAccount.

If you performed a Guest Checkout without an account, you can contact us or write an email directly to to find out the status of your order.

Adaïr will also inform you of the progress of your order by email. You will then receive a tracking number, allowing you to follow the shipment of your order on the carrier's website.

How can I change or cancel my order?

Should you need to cancel or change your order, please contact us or write an email directly to as soon as possible; we will make every effort to accommodate your request. Please note that we cannot guarantee that your order may be adjusted once it has been submitted.

Processed orders may not be cancelled or modified; however, you may return your item subject to our Returns & Refund Policy.

Once a creation has been personalized, it cannot be returned or exchanged. These items are considered final sale.

May I add a personal message to my order if it is a gift?

Yes, you can include a personalized message in your purchase. For this option, please contact us or write an email directly to once your order is placed.

Shipping & Delivery

What are delivery times?

Every piece is designed and made in Switzerland. Your order will be delivered within 3-4 weeks.

Express shipping available in Switzerland within 1 week. Delivery times may vary depending on the color of the gold.

For urgent request, please contact

What are shipping fees?

Adaïr offers free delivery worldwide. However, please note that additional shipping charges may apply depending on your location.

Learn more

Care & Repair

What should I do if my jewelry is scratched due to repeated movements?

First, we ensure that your jewelry piece is perfectly polished before delivering it to you.

Then, if your piece is scratched, you can contact us at any time to send the piece back so that we can polish it for free.

How long do the guarantee and after-sales service last?

The guarantee and after-sales service are valid for 2 years for all pieces at Adaïr.

Contact us if needed.

How to take care of my jewelry?

All our pieces are crafted from high-quality, durable materials such as 18-carat gold, grade 23 titanium, and diamonds.

However, it's important to care for your jewelry properly to maintain its
sparkling beauty. Here are a few essential tips:

  • Remove your jewelry before washing your hands or taking a shower.
  • Avoid chemical products.
  • Store your jewelry carefully in a soft pouch or jewelry box.
  • Clean your jewelry regularly using mild soap in warm water and use a soft brush or cloth to remove dirt. Rinse and dry with a
    soft cloth, then you can also polish your piece with a jewelry cloth, to restore the natural shine of your piece.

Brain Teaser Necklace: Is it possible to lose the second part of the pendant?

We have conducted extensive testing over several months and are confident that the second part will not detach during various activities.

However, when playing with the brain teaser necklace, please take care to ensure the detached part does not get lost. We recommend doing so in a calm setting, ideally while stationary.

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