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

All the News


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

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.

Bordeaux Tasting

An undeniable success for the 7th edition of Bordeaux Tasting!

WINovation Awards

One more award for Origine by Diam!

Vinitech 2018

As every two years, the Diam Bouchage teams welcomed their customers to their stand during the 3-day show, held the 20th-22nd November 2018 at the Parc des Expositions in Bordeaux.

Lyon Tasting

Great success for the second edition of the event organized by Terre de Vins.

French American Business Awards

A gold Award for Oeneo Group !

“You say Diam, I say Yes!”

Diam Bouchage launches its new advertising campaign

WILLAMETTE - The Pinot Noir Auction

Great success for Pinot Noir in Oregon !

8th Jornada DIAM

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

FRANCE - Oenologues de France

Développement d’un bouchon bio-sourcé : « Origine© by Diam »

FRANCE - Terre de vins

[ENTRETIEN] Olivier Bernard : « il faut qu’on ait tous envie de mettre la marque Bordeaux »

USA - Grape Collective

California's David Ramey Understands That It's All About Making Delicious Wine


DIAM and the Triumph of Empiricism

Best of 2018: glowing testimonials from our clients

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

Grands Crus Tasting in England

A tasting of the colours of Champagne and Burgundy.


L'appréhension du vin bouchonné s'éloigne

USA - Wines and Vines

Ensure Wine Quality and Path to Market


DIAM CORK - the end of corked wine

5th edition of Wine Conversations

An event that attracted the interest of many winemakers.

2nd Congress of Rosé in Spain

Conferences and tastings of a very high level.

2nd ‘Cork Oak in the Var’ Weekend

The opportunity to acquaint the public with the issues of the cork economy and wood working.

DIAM Corks on TV7

Bruno de Saizieu, Marketing Director of Diam Cork presents Technical DIAM corks on TV7


DIAM corks ensuring our rosés stay purely delicious

Wine Art Exhibition in Belgrade (Serbia)

Diam Bouchage alongside Serbian winemakers for a high-end exhibition.

Master Blenders 2018 in Mendoza Argentina

An innovative initiative supported by Diam Bouchage!

UK - The Finest Bubble

Technological Corks: What’s The Big Deal?


How Diam Is Advancing the Wine Closure Market ?

Pinot Noir Celebration in South Africa

2 days of celebration at Hemel-en-Aarde in honour of Pinot Noir

España - La semana vitivinicola

Diam Bouchage, la innovación al servicio de la naturaleza

The Revue du Vin de France Evening - Men of the Year

Diam Bouchage presented the prize of innovation to the Domaine de la Colombette.


Five Decades of Burgundy with Dominique Lafon


Reinventing Cork

2017 in photos!

Discover in photos all the events in which Diam participated

FRANCE - Reportage France 3

Céret, l'innovation au coeur du succès des bouchons DIAM

RDV DIAM: The French consumer and ORGANIC products

A particularly topical theme for the 11th edition of Rendez-Vous Diam

Origine by Diam, medallist at SITEVI INNOVATION AWARDS 2017

This month, Origine by Diam was awarded a medal at the 2017 internationally renowned competition - the SITEVI Innovation Awards.

Oeneo evening at Domaine des Grands Chais

During the Sitevi Salon, the Oeneo Group invited its customers to navigate the islands.

100% Champagne evening

Tasting of champagne 100% Pinot Noir, 100% Pinot Meunier and 100% Chardonnay

Winemakers sub40

Diam Bouchage was in Mendoza to reward the work of young Argentinean oenologists.

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