Bonas Group

Bonas Group Bonas is the world’s longest established diamond brokerage and consultancy firm.

More recently, it has also become the largest global independent diamond and gemstone tender and auction house.

INVITATION - Bonas Group would like to invite you to Potentate Mining’s Montana Sapphire tender, featuring a run-of-mine...
21/05/2026

INVITATION - Bonas Group would like to invite you to Potentate Mining’s Montana Sapphire tender, featuring a run-of-mine production from the USA. Viewings will take place in Office 1802, 18th Floor, Vorawat Building, Silom Road, Bangkok, Thailand from Thursday 25th June 2026 – Saturday 27th June 2026.

For more information, please contact:
Tim Denning: [email protected] (+44 7930 333977)
Cyrille Djankoff: [email protected] (+44 7521 021746)
Karina: [email protected] (+66 85 921 3809)

We look forward to seeing you in Bangkok.

On World Diamond Day, we celebrate the journey of natural diamonds — from mine to market. At Bonas Group, we are proud t...
08/04/2026

On World Diamond Day, we celebrate the journey of natural diamonds — from mine to market.

At Bonas Group, we are proud to play our role in this journey, connecting producers and clients with transparency, expertise, and over 75 years of heritage in Antwerp.

A day to recognise the value, rarity, and enduring story behind every natural diamond.

FromMineToMarket

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Pelikaanstraat 62
Antwerp
2018

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