Quality Samples
At Dia-Co, we take immense pride in our craftsmanship and commitment to quality. Every custom jewelry piece we create is Made in the USA and undergoes meticulous manufacturing, stone setting, and finishing processes to deliver exceptional results you can see and feel. This page showcases the precision, care, and expert techniques that set our work apart.
High polish inside/under center stone
Raw Casting
All jewelry is mirror-polished before and after setting for maximum shine. High-polishing is applied inside and under the center stone, with lasers used to reach areas inaccessible to traditional tools.
Make sure polished galleries are never wavy
Pre-Polish
Skilled artisans carefully polish galleries to ensure smooth, even surfaces with no waviness, refining every detail for a perfect finish.
Stone Setting – Precision & Craftsmanship
The quality of stone setting defines the durability, security, and brilliance of fine jewelry. Our expert craftsmanship ensures each stone is precisely placed and secured using various setting techniques:
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What to Look for in Our Work
Quality craftsmanship is defined by secure stone settings, smooth edges, and seamless metalwork. A brilliant, high-polish finish ensures durability, comfort, and a flawless look in every piece.
Secure & Even Settings
Stones are firmly in place with consistent alignment.
Smooth & Polished Edges
No rough surfaces, ensuring comfortable wear.
Brilliant Shine
A high-quality polish that enhances the metal’s natural luster.
MADE IN USA
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Every Dia-Co piece is handcrafted with care and proudly Made in the USA.