Top Service Rating - 5 Stars - Certified Merchant

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Explore the Difference

Unlike most Internet jewelers, at Diamond Design Co. each piece of jewelry is carefully designed and crafted by our in-house jewelers.

Need it wider, smaller, more stones, less stones, a different metal or precious stone, NOT A PROBLEM. Our jewelry is made-to-order-, "made by us for you".

Fine quality jewelry should come with fine quality service

Design Your Own Ring

Celebrate your love, your way.

Diamond Design Co. is a full service jewelry designer and manufacturer. We specialize in fine quality jewelry manufacturing from start to finish.

Learn more about how our jewelry is made and read our Frequently Asked Questions about custom design work.

Our Client Testimonials will also illustrate our commitment to quality and customer service.

View our video gallery and photo gallery for more ideas.

Please contact us at to get started on your special project.

Some of Our Special Projects

Three Stone Lucere Diamond

Inspired by the Tiffany Lucida diamond collection.

This three stone platinum engagement ring holds three Lucere cut diamonds mounted in a hand made platinum combination prong and bezel setting. Our partners at Cut by Gauge specially cut these unique diamonds, F, VS-1 quality.

If you're inspired by something unique, try a Lucere diamond design.

Diamond and Sapphire

Something special for the man in your life.

This piece was created for a special guy. His birthstone was sapphire and hers was diamond. This platinum band signified a commitment to each other forever.

This ring can be designed in matching sets, with his, hers or the kids birthstones.

Three Stone Diamond Rings

An anniversary like no other was celebrated with this past, present and future diamond ring.

This 3.50tcw gorgeous ring holds a 1.80tcw GIA certified center stone, F color, SI-1 clarity with matching .50ct each side stones. The intricate .70tcw pave setting down the side of the band complete this piece stunning.

Ruby and Diamond Band

This ruby and diamond band was the perfect gift. Designed to match a beautiful ruby and diamond three stone engagement ring.

This band is satin finished to accentuate the beauty of the stones. it can be made with high polish finish in 18K white, yellow or platinum. You can also select any alternating color stone you like.

Eternity Ring

The emerald cut diamond is becoming so popular these days, we're finding creative ways to use them in our designs.

This 3.0tcw diamond eternity ring holds both ideal cut round brilliant diamonds and emerald cut diamonds, all F color, VS clarity.

The bar setting provides a unique designer look, making this ring a one-of-a kind. This eternity ring can be made in various carat weights and metals.

Sapphire Diamond Three Stone

One of our most stunning. Custom designed just for this sapphire.

This award winning 2.0ct natural sapphire was certified by American Gem Trade Association (AGTA). The color of this sapphires was stunning and really needed a setting that would show it off.

This platinum trellis setting was all hand made and sets this sapphire high to be seen. Offset by two .37ct each diamond side stones, this piece is an ideal anniversary or engagement ring.

Ruby Diamond Eternity

As unique and special as your relationship. The custom eternity ring is by far one of our most popular anniversary gifts.

Shown here in a shared prong setting with the finest diamonds and rubies. Make this band your own by selecting your favorite alternating colored stone.

Antique Engagement Ring

This "antique look" engagement ring is the most intricate of designs, requiring the most skilled setting work of any piece.

This ring was custom built for the hand selected 1.37ct GIA certified, ideal cut center stone. Using our CAD design system, this piece was milled in two parts to achieve the unique look.

Please contact us at to get started on your special project.

CAD design for test drive your ring

Test Drive Your Ring

The ultimate in jewelry buying experience. Test drive your ring puts you in the drivers seat. Your ring, your way. Learn More

Jewelry CAD Design System

Advanced Design Technology

Quality you can trust from Diamond Design Co. We make each piece to your exact specifications. See our videos. Learn More