The Source for Rare & Exquisite.
GIA Certified Natural Diamonds & Rare Antique Estate Pieces.
Diamonds
We offer Natural Diamonds of all shapes.
Watches
Rolex, Omega, Cartier, Patek Philippe & more
Jewelry
Exceptional Estate Jewelry.
Our Philosophy
Relationships Over Revenue
After many years of working across all fronts of the industry from major diamond bourses to small town jewelers, and from fancy colored diamonds to melee. the experience and network of professionals that have come together under The Diamond Source umbrella is unparalleled.
Over the years, Shlomi has learned that a good product and competitive pricing alone are not enough, strong relationships and a commitment to prompt, reliable service are just as important if not more.
WE'D LOVE TO HEAR FROM YOU
Whether you are looking for a specific
GIA diamond, precious gem stones, antique &
vintage heirloom pieces.
our specialists are
ready to assist you.
Asset Categories
Select your item type to begin a private, secure evaluation with our experts.
Diamonds
We Purchase Natural Diamonds of all shapes Certified or not.
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Watches
Rolex, Omega, Cartier, Patek Philippe & more
Start Evaluation →
Jewelry
All types of Jewelry, Gold, PLatinum and Silver to exceptional Heirloom Fine Estate Jewelry.
Start Evaluation →Diamond Source
A private firm dedicated to the professional acquisition of natural diamonds and antique gold assets.
Our Heritage
Based in the heart of Chicago's Loop, Diamond Source was built on a simple belief: trust is earned through transparency. We are not a traditional retail store, we are specialized buyers with deep expertise in diamonds and vintage jewelry. Each piece valued not just for its weight, but for its history and craftsmanship.
Ethical Excellence
We focus exclusively on natural diamonds. No lab-grown, no synthetics, only stones formed by the earth over millions of years, valued for their rarity, integrity and enduring worth.
Secure Privacy
Every Appointment takes place in a secure, private office
setting. Your time, comfort and confidentiality are treated
with the same care as your valuables.
Counters, No Crowd, No Pressure
Direct Liquidity
By operating with low overhead and high expertise, we are able
to present immediate competitive offers aligned with real time
global market pricing.
No Intermediaries, No Delays
Choose a Time
Select an available slot. You’ll receive confirmation immediately.