No stones match these filters.
The collection
No stones match these filters.
Trade supply
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.
We offer certified rubies and sapphires from 2 carats.
Yes. For every stone we state the type, origin and treatment, with a report from a recognised gemological laboratory.
We use trade terms such as Pigeon Blood for rubies and Royal Blue for sapphires.
Yes, in the online catalogue. For certificates and videos, message us on WhatsApp at +39 351 397 6900.