Cominco is a 3th generation diamond company created in 1986

With over 50 years of experience in the industry, we combine our know-how, heritage and innovation
to deliver maximum value to our retail customers.

At its start, Cominco’s main activity was focused on the trading of rough diamonds and mining consultancy services, but over the years the company has expanded its operations to include manufacturing as well as polished diamond activities and is now supplying some of the world’s largest jewellery retailers.

We operate and adhere to the highest standards of professional, legal and ethical conduct. We deal exclusively in conflict-free and natural diamonds, each stone being fully traceable from its point of origin to its final polished state.

Over the years, Cominco has built successful long-term relationships with its customers, thanks to its personalised approach and high service quality.

We are a dedicated team of professionals

with expertise throughout the diamond value chain, offering our customers
service excellence as well as tailor-made products

Rough Diamond Services

Cominco distributes high quality rough diamonds at competitive prices, directly sourced at tenders of global mining companies.

Polished Diamond Services

Cominco offers its customers fine-cut assortments and certified polished diamonds. We also have a proven track-record in special proprietary cuts…

Mining Consultancy Services

Cominco has over the years provided consultancy and valuation services to governments of diamond producing countries and diamond mining…

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