Diamond Cutting: Specialist in antique, vintage and modern styles

How I May Help You...

3 Carat G, Flawless Old European Cut

Cutting Diamonds in America

Any diamond that is already in the US marketplace, and requires a cutter's expert touch, is my chosen domain.  Do not hesitate to contact me, whether you prefer to  beautifully improve your own diamond, trade it, sell it or make a unique purchase.

I specialize in repair, restoration, refashioning and resale of all styles of broken, antique, vintage, and modern diamonds. The standard of perfection is considered by many to be the modern ideal cut round brilliant, but I believe there is inherent beauty in many styles. 

All cutting is done in my workshop - never overseas. 

American Rose Brilliant -Black & White

The American Rose Brilliant

My signature cut is called the American Rose Brilliant.  It features the artistry of the classic antique rose cut on its crown, atop a modern pavilion. This style is designed to outperform modern round brilliants.

Rough diamonds are not readily available to artisan cutters. That is why my source material generally comes from "estate" diamonds. These Old Mine and Old European diamonds entered America in the pre-War era.  

Sourced, designed, cut and available exclusively in the USA.

Maarten de Witte - American Diamond Cutter

Meet the American Diamond Cutter

My name is Maarten de Witte, aka the Diamond Wizard.  I have 45 years experience as master diamond cutter in the USA, and was Director of the American School of Diamond Cutting.  I'm known as a craftsman, innovator and teacher - in wholesale and retail, branding, training, and research and development.  

I view the world of diamonds through a work-hardened lens. My scope spans from the solitary workbench to the world-wide community of cyberspace.  I am dedicated to cutting fine diamonds in the USA, especially high-performance “fancy round” diamonds. 


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Maarten de Witte

P.O. Box 934, Urbana, IL 61801

(707) 953-8845