Rubies & Sapphires

The collection

Trade supply

Ruby and sapphire supplier in Milan

Natural Diam Srl supplies certified natural rubies and sapphires to jewelers, dealers and collectors. From our office in Milan we reply with options, certificates and videos.

From what size do you offer rubies and sapphires?

We offer certified rubies and sapphires from 2 carats.

Are origin and treatment stated?

Yes. For every stone we state the type, origin and treatment, with a report from a recognised gemological laboratory.

How do you describe colour?

We use trade terms such as Pigeon Blood for rubies and Royal Blue for sapphires.

Can I see the stones?

Yes, in the online catalogue. For certificates and videos, message us on WhatsApp at +39 351 397 6900.