Diam Corks

Diam Corks

Wine Corks & Bottle Corks
Share on Facebook

Technical Corks "Diam"

Diam is a technological closure with a patented composition, which is manufactured from cork and treated by the patented DIAMANT process. Validated by several worldwide independent laboratories, the DIAMANT process uses super-critical CO2 to eradicate 2, 4, 6 – trichloroanisole (TCA) and 150 other compounds.

Diam brochure Diam frequently asked questions

For the North American market, G3 is the exclusive distributor of the Diam portfolio of products. We print and finish Diam closures at the Modesto plant.

  • Still wine corks (Diam)
  • Sparkling wine corks (Mytik)
  • Beer bottle corks
  • Bar tops (Altop)

To learn more about Diam products, visit the company's website:
Visit Diam website »



Diam Video
S. Clifton & G. Brewer: Brewer & Clifton Winery (USA)
"DIAMANT® process is one of the most impressive processes I've witnessed, in any part of the wine industry."
Diam Video
Marco DiGuilio: Winemaker of Vintage Wine Estates (USA)
"It is less waste, more efficiency and retailers or restaurants are actually more likely to buy a bottle of wine from me if they know that it's going to be with Diam closure."

Related Products & Services