
Source a Rare Stone
Access exceptional gemstones through a trusted international network.
Hardin & Co. StonesGemstone Sales and Solutions
Rare stones sourced directly for collectors and trade professionals.

Born in Berlin and based in Boston, the founder has spent more than 12 years in the international gemstone market. Through trusted relationships across Asia, Europe, the Americas, and Australia, he sources sapphires, emeralds, rubies, and distinctive collector-grade stones for private clients and trade professionals.
“Every stone is selected by me, and every client works directly with me.”

Access exceptional gemstones through a trusted international network.

Curate a meaningful collection with expert, personal guidance.

Discreet sourcing and market insight for jewelry and trade professionals.

Explore stones selected for character, quality, and enduring value.
Explore gemstones →Share the stone, collection, or professional support you need. Every enquiry is handled personally and discreetly.