Now available

Halo No.1
The original Montluc diamond ring.
Montluc - Halo No.1. Eternity ring, full set in diamond - set with a continuous line of perfectly selected, round cut diamonds.
Halo No.1 diamond ring yellow gold
Halo No.1 diamond ring rose
Montluc - Halo No.1 diamond ring, viewed from the side.
Montluc - Halo No 5 diamond ring, viewed from the front
Montluc - Halo No.1 diamond ring, viewed from an angle, with engravement in focus

REAL PHOTOGRAPHY

All photos are the real deal, not computer generated.
Close-up of the brilliantly cut diamonds on Montluc - Halo No.1 infinity ring

HALO No.1

Halo No.1 – a full set ring.

40 beautiful, colourless, triple excellent cut diamonds set in a slim band of solid gold.

Made to order. Normal delivery time is two weeks.

Choose gold colour

  • Rose
  • White
  • Yellow
Clear
Size Guide

HALO No.1

Montluc » HALO No.1

Three ways to find your size

Montluc » HALO No.1

1. Try-out*

We strongly recommend that you visit a jeweller and measure your ring size. It’s the safest way and at the same time you can compare our specs for benchmark.

Montluc » HALO No.1

2. Size-up

If you currently owns a ring that fits just perfect, great! Download and print our size-guide. Then follow a few easy steps to determine your ring size before you place your order.
Note: Download the PDF to desktop before printing.

Download Montluc size-guide

Montluc » HALO No.1

3. Convert your size

If you know your size (non-EU) you can easily use our conversion chart to find out which size is your perfect fit. Download it and get going.

Download Montluc size-chart

* We strongly suggest a real try-out at your local jeweller to accurately size up your finger. Then place your order here and be amazed of how much our products spark.

We don’t compare to the very best. We are the benchmark for it.

Diamonds40
CutTriple Excellent
ColourD to F (colourless)
ClarityFlawless to VVS2
CaratTotal diamond carat weight: 0.37ct
Gold1.17 gram, 18k gold (pd135)
Width1.55 mm
CertificateMontluc Certificate of Authenticity

How did we fit this much sparkle into this kind of size?

Montluc - Halo No.1 diamond ring showcase
  • 100% Sourced and made in Europe
  • 100% Exploitation-free
  • 100% Compliant with the highest internationally-recognised standards
  • 100% Guaranteed to catch the eye

Beautifully slim. Exceptionally elegant. And mind-blowingly brilliant. The Halo No.1 diamond ring is inspired by one of the most enduring designs in the world. With good reason…

 
Creating the Montluc sparkle

Every facet of every diamond is perfectly aligned to reflect the same light in the same way at the same time for maximum radiance. This rare and incredible precision is achieved using the minimum amount of gold to keep them secure: revealing the largest possible surface area amplifies the reflection of light even further to create a truly magical sparkle.

 
Be as bold as you want to be.

Halo No.1 adds a touch of effortless glamour to any outfit and every occasion. Sculpted from a solid block of gold, it is subtle enough not to scream for attention – and stylish enough not to need to. For a bolder look whether you’re headed out for a meeting or a meal, stack Halos together to double or… why not… even triple the sparkle.

 
Montluc diamonds are a cut above.
Guaranteed.

If you want that ‘Oh wow, I can’t believe how much it sparkles’ factor, it’s the cut you need to look at.

Most diamonds are graded from Poor to Excellent on official GIA (Gemological Institute of America) cut grades. Montluc, by contrast, only ever uses the very finest standard of quality that goes one step further. Two, actually.

Our Triple Excellent cut ensures that every single diamond is impeccably aligned, perfectly balancing the reflection of light and amplifying its radiance.

 
Exceptional.
No exceptions.

Montluc uses only the world’s finest diamonds – in fact, we select only the top 3%. Needless to say, the quality of our gold is equally uncompromising. While most gold rings are cast, Halo No.1 is sculpted from a solid 18k pd135 gold bar, which is up to three times harder. So it lasts longer, wears better and looks perfect even under the closest inspection.

We don’t compare to the very best. We are the benchmark for it.

Diamonds40
CutTriple Excellent
ColourD to F (colourless)
ClarityFlawless to VVS2
CaratTotal diamond carat weight: 0.37ct
Gold1.17 gram, 18k gold (pd135)
Width1.55 mm
CertificateMontluc Certificate of Authenticity
Montluc » HALO No.1

Diamond grading

To discover more about diamond grading and quality, have a look here.

On the highly unlikely occasion you find a similar diamond ring of equal quality at a more attractive price, we strongly advise that you buy it"

— Fredrik Stark, Team Montluc
Montluc » HALO No.1 Montluc standard for diamonds - diamond grading schema

If you're not happy, then neither are we.

Satisfaction Guarantee. 100% satisfaction. Or 100% money back.

In the highly unlikely event that your diamond jewellery fails to live up to your expectations, simply return the item to us within 30 days. We will fully reimburse you with the minimum of delay and with no questions asked.

 

Fitting Guarantee. Try this one for size.

Maybe the ring wasn’t for you or you weren’t totally sure which size to go for. Whatever happened, it isn’t an issue. Send the original ring back and we’ll redeliver your perfect fit, super fast.

 

The unique Montluc ‘Oh no!’ Guarantee. Because sometimes it just isn’t your day.

Even our exceptional diamond jewellery is no exception to the fact that accidents happen. So if you’re having one of those days that inevitably means you’re going to drop it, crack it, scrape it…you name it…just relax. Return your item along with all detached bits and pieces and we’ll send a brand new replacement. This guarantee is valid for two years from delivery.

If you ever need to activate your Montluc guarantee, please email us at customerservice@montluc.com

Shipping. The journey begins.

A close-up of Montluc packaging with lid closed

Shipping.

Every piece of Montluc diamond jewellery is crafted with artistry, precision and the very highest quality gold and diamonds. Each is made to order, normally it takes two weeks to receive the latest sparkle in your life.

Our prices include global express shipping and full insurance. In the unlikely event your package is lost in transit, we will send out a replacement at no additional cost.

 

Arriving in style.

Montluc diamond jewellery ships first class and arrives in the style you’re about to become accustomed to.

We have put a lot of thought and effort in making sure that our packaging looks as impressive as the sparkling piece that awaits on the inside. Handmade in Sweden by traditional skilled craftsmen, it is FSC-approved in line with our sustainable, exploitation-free ethos. The enclosed gift card, the golden lettering, the texture, the fabric…each individual element reflects the highest possible quality.

After all, diamond jewellery is always a uniquely special gift. Especially when it’s for you.

— Fredrik Stark, Team Montluc

The world’s finest diamonds are securely and reliably shipped by FedEx.

Trustpilot

REASSURINGLY SMOOTH SHOPPING

Free shipping & returns

All prices include fully insured shipping. On the off-chance you need it, returns are also free of charge.

Easy payment

100% satisfaction or 100% money back. If a ring doesn’t fit, we’ll replace it with the right size. And our unique ‘Oh no!’ guarantee offers a free one-time fix for accidental damage.

Gift wrap

All jewellery arrives in high quality, hand-made presentation boxes and comes beautifully gift wrapped to complete the perfect surprise.

A few words from our ambassadors
— Astrid Blute
— Astrid Blute
Just a quick word to say wow! FedEx have just delivered my order and it was so beautifully boxed and wrapped. It got even better when I opened it and saw my Orbits in real life. I can’t help sneaking a quick glance in every mirror I pass!
— Astrid Blute
— Alexandra Jerselius
— Alexandra Jerselius
Montluc claim to offer the finest diamond jewellery you can buy direct from the maker. I did my research, compared specifications with some of the big brands and now I will never walk into a store again. My Halo arrived in May and both the quality and the value are fantastic. More for less – it’s a no brainer!
— Alexandra Jerselius
— Eva Engelbert
— Eva Engelbert
I wanted to invest in ME. In something that would hold its value even if I enjoy it day after day. So I decided to bring my dream diamond ring to life. Montluc made it an amazing reality with 15 diamonds of the highest gradings possible. It’s a work of art that simply outsparkles everything. Thank you.
— Eva Engelbert
— Filippa Helmersson
— Filippa Helmersson
I purchased two Halo No.1 to complement my existing wedding band. The diamonds sparkle like you wouldn’t believe, which has caused a bit of an issue because next to them my original ring looks sooo dull. I’ll soon be back for an upgrade!
— Filippa Helmersson

GET A FIRST GLIMPSE OF OUR LAUNCH COLLECTION

Our first collection is on
the way, launching piece by
beautifully crafted piece.

Made with the world’s finest diamonds, each and every item is not just a thing of beauty but an electrifying statement of intent. Don’t worry. You’ll soon get used to all those heads turning, eyes widening, and looks of pure envy.

View the collection

Packaging

Arriving in style.
Always.

Montluc diamond jewellery ships first class and arrives in the
style you’re about to become accustomed to.

After all, diamond jewellery is always a uniquely special gift.
Especially when it’s for you.

Read more