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What Is CAD Jewelry? From Digital Model to Finished Piece

CAD jewelry is jewelry designed in 3D on a computer before it’s made in metal.

Instead of guessing from a sketch, we build a precise digital model, check every angle, then use that file to create a wax model, cast it in 14k gold, and finish it by hand.

You end up with a piece that:

looks exactly like the design you approved
is engineered for strength and everyday wear
can be recreated or modified in the future

In 30 Seconds: How CAD Jewelry Works

You share your idea, photos, or stones.
We build a 3D CAD model to exact measurements.
You review realistic renders and request changes.
We 3D print a wax or resin model.
That model is cast in 14k gold, then cleaned and polished.
Diamonds or gemstones are set by hand and the piece goes through final quality checks.

Step 1: From Idea to Plan

We start with the basics:

what you want made (ring, pendant, earrings, studs, band)
ring size or ear size, stone sizes, and metal (14k gold)
any must-have details: setting style, band width, profile, or engraving

This gives us a clear blueprint before we open the CAD software.

Step 2: CAD Jewelry Design (The 3D Model)

In CAD, we build your piece as a full 3D model on screen.

Here we control:

ring size down to fractions of a millimeter
exact stone diameters and positions
prong thickness, height, and shape
band width and inside comfort-fit curve
overall balance and symmetry

Because everything is digital, we can zoom in far beyond what the eye can see and make sure the design is not just pretty, but structurally sound.

Step 3: 3D Renders & Revisions

From the CAD model we create photo-style 3D renders:

top view
side profile
three-quarter angles
for studs: on-ear or close-up front and side views

You review these images and tell us what to adjust:

thinner/thicker band
lower or higher setting
claw vs rounded prongs
smaller or larger side stones

We update the CAD file and re-render until you’re happy.
This stage avoids “I didn’t think it would look like that” after the piece is already made.

Step 4: 3D Printing the Wax or Resin Model

Once you approve the design, we export the CAD file and send it to a high-resolution 3D printer.

The printer creates a wax or resin model that is:

an exact physical copy of your digital design
already “pre-set” with correct seats and spacing for stones
accurate enough for pavé, halos, and detailed under-galleries

This model is what we use for casting.

Step 5: Casting in 14k Gold

The printed model goes through the lost-wax casting process:

The wax model is attached to a tree and covered in a plaster-like investment.
The wax is burned out in a kiln, leaving a hollow cavity.
Molten 14k gold is poured in to fill that cavity.

Once the investment is broken apart, we’re left with your design in solid gold.

At this stage it looks rough and unfinished—that’s where our bench jewelers come in.

Step 6: Stone Setting, Polishing & Quality Control

Our bench team then:

cleans and refines the casting
assembles separate components (e.g., heads, shanks, earring posts)
sets each diamond or gemstone into the seats created in CAD
tightens and shapes prongs for both security and aesthetics
polishes the piece through multiple stages for a high, even shine

Finally, we check:

prong security under magnification
symmetry from all angles
comfort (no sharp points, no rough edges)

The original CAD file is stored so we can later:

make matching bands or earrings
tweak details (different center stone, new metal color)
recreate the piece if it’s ever lost or damaged

Why CAD Jewelry Is So Powerful

1. Precision & Strength

Measurements are exact, not guessed.
Stone seats and prongs are engineered around real stone sizes.
We can build more metal where you need strength and keep everything slim where you want comfort.

2. No Surprises

You see realistic images before anything is cast.
All big changes happen digitally, not after the piece is finished.
The finished piece follows the approved CAD design, not just a sketch.

3. Customization That Actually Works

CAD makes it easy to:

change center stone size or shape
adjust band thickness for comfort or durability
create sets (ring + band + earrings) that match perfectly

Once your base design exists in CAD, variations become efficient instead of starting over from scratch.

4. Perfect Pairs & Eternity Layouts

For earrings, eternity bands, and pavé work, CAD ensures:

left and right earrings mirror each other
stones on eternity bands are evenly spaced around the finger
halos, bezels, and pavé lines are clean and consistent

CAD Jewelry vs. Off-the-Shelf Jewelry

Off-the-shelf pieces are usually made from generic mountings that are adjusted to fit whatever stones are on hand.

CAD jewelry is built for your idea and your stones from day one.

You get:

a unique design, not just something pulled from a catalog
better long-term durability, because the structure was planned
the option to rebuild, resize, or expand the design later using the original CAD file

Quick FAQ

Is CAD jewelry “real” jewelry?
Yes. CAD is the design method, not the material. The final piece is real 14k gold with real diamonds or gemstones, finished by hand like any high-end jewelry.

Does CAD jewelry cost more?
For simple designs, cost is similar. For more complex or custom pieces, CAD often saves money because it reduces mistakes, remakes, and design guesswork.

Can you copy or upgrade an existing ring using CAD?
Yes. We can:

recreate a favorite ring with upgraded stones
rebuild a worn or broken piece with better structure
combine details from multiple inspiration photos into a single clean design

How We Use CAD at Source Jewelry

At Source Jewelry in Los Angeles, we use CAD to combine modern engineering with third-generation craftsmanship:

We design every custom piece as a precise CAD model.
We optimize prong thickness, stone security, and comfort fit.
Our lab-grown diamond studs and custom designs are modeled, checked, and refined digitally before we cast them in 14k gold.

The goal is simple: clean, minimal jewelry on the outside, technically correct on the inside.

Ready to Turn an Idea Into CAD Jewelry?

If you have:

a photo you like
an old piece you want to update
or just a rough idea in your head

we can turn it into a CAD design, show you realistic previews, and then craft the final piece in 14k gold with sparkling white diamonds.

You approve the design.
We handle the engineering.
The finished piece arrives exactly how you expect it.

What Is CAD? From Digital Model to Finished Piece