"You say Diam, I say yes!"
"You say Diam, I say yes!"

All the News

New Mytik Diam Cork

Diam Bouchage launches Mytik Diam 10. A cork with mechanical and oxygen management properties specially developed for cellar ageing Champagne.

Cork is at the heart of our ecological commitments

For more than 10 years, Diam Bouchage has been involved alongside forestry professionals to protect, revitalize and enhance the cork industry around the Mediterranean.

A summer of catching up!

In this early summer period, we are delighted to have been able to catch up with our clients for some fun-filled events!

Diam makes a commitment to local sponsorship

Each year, Diam Bouchage invests to help integrate young people in the Pyrénées-Orientales region. On the schedule are the “Alfred Sauvy Prize” and the UPVD Foundation (Perpignan Via Domitia University).

Diam supports mechanisation of corl harvesting

From mid-June, the Mediterranean Cork Institute, with the support of Diam Bouchage, is organising training programmes in mechanised cork harvesting alongside Serpe, a forestry contractor. This mechanisation, undertaken using the Coveless tool.

Technical webinar for our South-American clients

A first technical webinar has been proposed in collaboration with our distributor Altasur for the South America region.

Jornada Online

Our Jornada is now in digital format.

Wine Conversations

The 23rd of March 2021, Wine Conversations celebrated its 8th anniversary… in digital format!

Viti Webinar

3rd and final Webinar session with Mon Viti online workshops!

An eventful year-end in Latin America!

The last months of the year 2020 were punctuated by many tasting sessions in Argentina in digital format … but not just that!

Our best wishes to the Œnologues de France

Following the announcement of the cancellation of the Congress of Oenologists 2021, we wanted to send a message to each of the 1,380 adherent members of the Union!

Vinitech and Unified in digital format

In view of the health situation, we were present in the wine sector via virtual stands for the two unmissable rendezvous of the last two months.

FRANCE - Revue des Œnologues n°178 - X-ray imaging and O2 transfer

X-ray imaging and supervised classification based on the oxygen transfer of punched natural cork stoppers.

Good deeds to end 2020

For Christmas Diam supported Doctors Without Borders and Unapei 66.

DIAM supports a large-scale cork oak tree plantation programme in Provence.

In November 2020, the company is joining forces with the Sud Provence Alpes Côte d’Azur Region and ASL Suberaie Varoise to plant a total of 3,252 cork oaks across 6 hectares of land in Provence.

Full Circle Beverage Conference

As in previous years Diam Bouchage had the pleasure to participate in the Beverage Conference, with Covid-19 restrictions in place this edition was evidently digital.

Oeneo Group Governance: Dominique Tourneix appointed as Chief Executive Officer.

Oeneo Group Governance: Nicolas Hériard Dubreuil appointed as Chairman of the Board of Directors. Dominique Tourneix appointed as Chief Executive Officer. 

Final of the Best Wine Merchant in France

Diam Bouchage has been a partner of the Best Wine Merchant competition since the first edition. In this unique year we were, of course, once again among the organisers!

CNBC Report - Sustainable Energy

Our Diamant® treatment is the focus of a report on Green Technology.

New point-of-sale displays for our distributors.

Throughout the summer, we have been sending new displays to our distribution network.


Programa de ayudas para la ampliacion y la modernizacion de empresas.

“François Friday” webseries

14 short videos about cork in general, and Diam in particular.

An Oenological Centre at the heart of the R&D department within the Diam Bouchage company.

Convinced that the closure is more than a simple stopper, Diam Bouchage considers its product as a genuine oenological tool and still heavily invested in research.

FRANCE - Revue des Œnologues n°176 - Permeability and white wines

Bottle ageing of three white wines as a function of the stopper’s permeability to oxygen : the case of Viognier and Chardonnay

Diam project co-financed by ICEX

The industrial Department at Diam Corchos (Spain) is working on humidity managment on productions lines.

The Diam teams have gone digital!

During this exceptional period, our teams have adapted to the situation and offered digital conferences.

Diam and COVID-19

The measures put in place to guarantee the operations of our facilities.

7th edition of Wine Conversations!

This year, more than 120 professionals attended the annual event organised by Diam and G3.

Diam interview with NBC California

During Unified, François Margot, Diam Sales Director for the USA, was interviewed for the American channel.

Diam was at Agrovina and Agratage

The year 2020 got off to a flying start for our teams who were present at 2 trade shows in Switzerland and Germany.

Diam presents the RVF award for environmental innovation

At its annual gala evening, the Revue du Vin de France once again awarded professionals who have made their mark on the year!

"Les coups de cœur Diam"

Discover Diam’s selection on the radio show In Vino on Sud Radio.

An autumn brimming with trade shows!

Over the last 3 months the Diam teams exhibited at the 3 major European trade shows: Viteff, Simei, Sitevi.

Paulée de Bordeaux 2019

Diam Bouchage was invited to participate in this exceptional event at the Domaine de Chevalier for a conference on wine bottle closure and mastering oxygen transmission.

The DIAM closure is good for the planet!

Diam Bouchage's latest environmental report, published in June 2019, shows excellent results : each closure produced actually has a negative carbon footprint!

A new prize for Origine by Diam® cork !

The Simei 2019 honours Origine by Diam® the ‘green’ cork that is both respectful of wine and the environment.

FRANCE - Revue des Œnologues n°173 - Permeability and sulphite levels

Low-permeability closures contribute to lower sulphite levels in rosé wines and improve their aging capacity

Bev Conference

For the 5th edition of the Bev Conference, Diam Bouchage chose to strengthen its partnership with Full Circle.

A summer on the road for the Diam Bouchage teams

Throughout the summer Diam had the pleasure of being a partner of many cultural events organised by our customers throughout France and abroad.

3,500 visitors for Diamant III!

More than 3,500 people have visited our Céret plant since June 2015.

Diam’s Rock with Collisionni in Italy

As part of the programme, in addition to the many concerts, the organisers also presented the ‘Progetto Vino’.

FRANCE - Revue des Œnologues n°172 - OIR / OTR (part 3/3)

Impact of oxygen permeability of stoppers on the aging of wines over a 10-year period

RDV DIAM Roussillon et Val de Loire

June was an exceptional month for our RDV Diam focusing on the topic of ‘The French consumer and organic wines’.

Premium Tasting – CHILI

For the past 3 years, Diam has been the privileged partner of the profession’s most awaited event in Latin America.

‘Nuit du millésime’ in Corse - FRANCE

On the 7th June our teams were in Bastia to present our Corsican cork closures to the winegrowers.

Desafio Federal 2019 - ARGENTINA

Two days of conferences and tastings for specialist consumers, the press and Argentinean sommeliers.

Jornada DIAM: les markets places - SPAIN

This year, the traditional Jornada Diam exclusively invited Rioja Group members to talk about online sales platforms.

Opening of the Tre Secoli Cellar - ITALY

A long-standing partner of the Tre Secoli cellar, Diam was naturally present at the opening of their new infrastructure.

VDP exhibition (Verband deutscher Prädikatsweingüter) - Germany

On the 28 th and 29 th of April, the annual VDP exhibition was held in Mainz, Germany.

You say Diam, I say yes!

A few days ago, our ‘You say Diam, I say yes!’ campaign celebrated its first birthday. The perfect opportunity for us to unveil our very latest video produced by the Quai des Lunes agency.

FRANCE - Revue des Œnologues n°171 - OIR / OTR (part 2/3)

Impact of oxygen permeability of stoppers on the aging of wines over a 10-year period.

SupAgro Wine Challenge – Montpellier

Diam Bouchage is a partner of the first edition of this grandiose tasting competition.

Wine Conversation - USA

This year was the 6th edition of Wine Conversations, an event organized by Diam Bouchage and G3 that is a firm-favourite with professionals in the sector.

Diam is on Instagram!

Join us on Instagram: @diam.cork

Wine Art Exhibition – Belgrade

A successful 2nd edition for this prestigious event.

3rd International Rosé Congress - Spain

Diam Bouchage partner of the event.

Unified Wine & Grape Symposium - California

Diam and G3 were there to unveil the latest addition to the Origine range.

Spain - La Semana Vitivinícola

Impacto del cierre en el envejecimiento de los vinos en botella

RDV Diam

A very timely topic for this new edition of the Diam Rendez-Vous.

2018 in pictures!

Browse our photo gallery of all the events in which Diam participated as a sponsor, exhibitor or organiser in 2018.

FRANCE - Revue des Œnologues n°170 - OIR / OTR (part 1/3)

Impact of stoppers on the aging of wine in bottles.

8th Jornada DIAM

The 8th edition on the theme of sustainable production in Spain.

Best of 2018: glowing testimonials from our clients

Thank you all for your loyalty and the trust you place in us!

Sustainable development initiatives

Since its creation, Diam Bouchage has been committed to sustainable development initiatives. Let's discover some of them in this video.

FRANCE - Revue des Œnologues n°161 - Technical corks

Benefits of cork-based technical closures for the aging of Burgundy wines

Ludgar Veit - Weingut Ludger Veit (Germany)

"Our bottled wine is clean, clear and magnificent. The taste of the wine also remains the same several years after the bottling."

FRANCE - Revue des Œnologues n°157 - “varietal thiol”

Aging of a white wine of the “varietal thiol” type as a function of different oxygen contributions via cork closures and by micro-oxygenation

FRANCE - Revue des Œnologues n°142 - supercritical CO2

Extraction of MDMP via supercritical CO2 : Application to cork

FRANCE - Revue des Œnologues n°133 - TCA

Migration of 2,4,6-TCA in still wines

FRANCE - Revue des Œnologues n°125 - Diam cork

Comparative study of the Diam cork closure with other low TCA content closures.

FRANCE - Revue des Œnologues n°120 - DIAMANT® process

Impact of the Diamant® process on the organoleptic characteristics of cork powder