Rough Diamonds
Exclusive and direct Rough Diamond suppliers.
THE OVERVIEW. Green Line Corner have a reliable source of rough diamonds through our multiple relationships including ALROSA. As site holders, we have access to a certain level of goods, allowing us to to fulfil the needs of current clients and attract new ones.
With the help of our in-house gemmologists and secure premises for inspection purposes, we are also open to offers of rough gem quality material and rough industrial material to further meet the demands of our clients.
This indicates that Green Line Corner is committed to providing high-quality rough diamonds to our clients while also exploring new opportunities for growth whilst remaining committed to responsible mining and supply chain transparency.
Ready to discuss your requirements?
What We Do
As buyers and sellers of all Rough Diamond materials here at Green Line Corner We strictly observe The Kimberley Process.
All diamonds sold or presented herein have been mined through our efforts or partnerships, or purchased from legitimate sources not involved in funding conflict. All diamonds are in compliance with United Nations Resolutions. We, the supplier, hereby guarantee that all diamonds through Green Line Corner (rough or polished) are conflict free.
This is based on our personal knowledge and/or written guarantees provided by us and our associates.
Rough Industrial Material
Green Line Corner also purchase rough industrial Diamond material selected to meet the different requirements of our existing customers in the tool trade. We are open to discussing natural industrial materials of all sizes, crystal types, orientations, and price points to assist in fulfilling our current demands. Please get in touch via the ‘Contact Us’ page with any available parcels that you have relevant direct access to.
We are happy to discuss all aspects of your material with a view to finding middle ground to meet our business parameters, from high-end stones to lower-quality materials, Octahedron and Dodecahedron diamond formations.

Who to Contact
In order to speak to the most suited agent for your requirements and location please head to our “Contact us” page. Click here.
FAQs
What is the origin of the Rough Diamond material Green Line Corner sell?
Our rough Diamond materials originate from numerous including Alrosa, and a handful of independent Brazilian and African mines.
Do the rough Diamond materials Green Line Corner sell carry KPC?
Yes, all rough Diamond materials Green Line Corner work with whether sale or purchase will and must carry and adhere to all relevant KPC Global requirements.
Is there a limit to the size of parcel of industrial goods Green Line Corner would consider for purchase?
NO, all parcels and tranches will be considered, as will all origins and characteristics.
Are the Rough Diamond goods Green Line Corner sell carry a fixed price per carat?
No, all products we sell are open to realistic negotiation.
What is the average price per carat for the Rough Diamonds Green Line Corner sell?
There is no fixed price per carat, they are are sold quantity dependant and average stone size dependant.
