Rajadiam DMCC comes up from the passion and expertise of Mr. Jack Silvera, which is a diamond experts and dealer. Mr. Silvera and his family are active in the diamond commerce worldwide since five generations.
Today we are developing business in the whole Diamond value chain, from the rough to our customer’s finger, dealing in 4 different continents.
Dubai Diamond Exchange
The gateway to the global diamond trade
The Dubai Diamond Exchange (DDE) is a unique platform that offers access to a trusted framework for all aspects of diamond trade. Located in the iconic Almas Tower, DDE is the first and only trading exchange for diamonds and coloured precious stones in the GCC, and home to some of the most prestigious jewellery manufacturers, retailers and traders.
Through membership of the DDE, precious stones traders and service providers are connected to a globally accepted governance and trade practice framework and as such, benefit from access to new markets and greater trust that this brings.


Our story
We are the third generation of diamond dealers. We were the first to give a professional service to purchase diamonds from private customers.
Whatever the reason, if you wish to buy or sell used diamonds, you need to acquire important information on the grading and appraisal of your gemstones.
- We pioneered a professional service for purchasing diamonds from private customers and operators.
- A constant and long-lasting relationship of trust with the most important diamond and precious stone dealers.
- A regular and continued updating on worldwide market trends and prices.
- We purchase diamonds all over Europe
- 25 diamond experts and gemmologists.
- 5 locations worldwide: Antwerp, Milan, Lugano, Dubai, London
- Hundreds of new contacts every month.
- More than 1 million people have visited our website’s network to sell their diamonds.
- €300 million evaluated in 2013-2015.
We are constantly growing in the diamond purchase business from private customers and operators in the following countries: BELGIUM, FRANCE, NETHERLAND, LUXEMBOURG, GERMANY, DENMARK, UNITED KINGDOM.