Mass-Produced vs. Hand-Finished Jewelry: What Happens After Casting

By Effy Fried, Flawless Jewels NY

Most fine jewelry today, including ours, is cast. So if two pieces are made from 18K gold, why can one look and feel so much better than the other? Part of the answer lies in the design. The rest comes down to what happens after the metal comes out of the mold.

It Starts with a Sketch

Every piece we create begins with a drawing. This is where we work out the proportions, the arrangement of the stones and how the finished piece should look and feel when worn.

We select the diamonds with the design in mind. Each stone needs to fit naturally into the piece, both visually and technically.

From Sketch to Casting

Once the design is finalized, it is turned into a precise 3D model using CAD. Every curve, prong and stone setting is carefully planned. The model is then 3D-printed in wax, allowing us to examine the design before working with gold.

The wax model is used in a process called lost-wax casting. It is encased in a mold, and the wax is melted away. Molten gold fills the space left behind, taking the shape of the design.

We explain this process in more detail in our article, From Sketch to Finished Jewelry.

But when the gold first comes out of the mold, the piece is far from finished. There may be excess metal where the gold entered the mold, rough edges and surfaces that still need attention. This is where the jeweler's handwork becomes important.

Where the Finishing Makes a Difference

Casting allows jewelers to create intricate designs, but it does not determine the final quality on its own. The time and care spent refining the piece, preparing the settings and finishing the gold all contribute to the result.

In high-volume production, efficiency can take priority over additional hand-finishing. At Flawless Jewels NY, we pay particular attention to the work that happens after casting.

What Happens at the Workbench

My grandfather had a simple motto: “Don't cut corners. Quality is durability.”

That principle matters especially after casting, when there are many small steps that can affect the finished piece.

Every casting we make goes through further work at the jeweler's bench.

Removing excess metal. The sprues, the channels left where the gold flowed into the mold, are cut away with a jeweler's saw, along with any excess metal.

Filing and shaping. Edges, surfaces and prongs are refined by hand with files to achieve clean lines and the intended contours of the design.

Preparing the stone settings. Each setting is checked and adjusted with pliers and hand tools so the diamonds can sit at the correct height and angle.

Setting the diamonds. Each stone is positioned and secured individually. This requires particular attention in our diamond clusters, where pear, marquise and emerald-cut stones must fit together with carefully considered spacing and alignment.

Finishing and polishing. The gold is polished to its intended finish, and the piece is checked for details that affect its appearance and comfort.

These steps take time, but they are an important part of making fine jewelry.

The Details You Can See and Feel

Good finishing is not only about appearance. It also affects how a piece feels when you wear it.

A smoothly finished ring is more comfortable against the skin. Carefully shaped prongs are less likely to catch on clothing. Properly prepared settings and securely set diamonds help the jewelry stand up to everyday wear.

When examining a piece of jewelry, look beyond the front. Turn a ring over and inspect the underside. Look at the back of an earring and where the prongs meet the diamonds. Run your finger along the inside of a ring.

These are small details, but they can tell you a great deal about the care that went into making the piece.

A Family Standard

My grandfather entered the diamond trade in Antwerp in 1946. His approach to quality continues to guide our work at Flawless Jewels NY today.

For us, craftsmanship is about taking the time to get the details right, even the ones that may not be immediately visible.

You can read more about our family's history in Our Story, or learn how we choose the diamonds for our designs in How We Select Diamonds for Our Designs.

Explore our collections at Flawless Jewels NY, or contact us with questions about our jewelry and how it is made.

About the Author

Effy Fried is a third-generation jeweler and the founder of Flawless Jewels NY. His family's roots in the diamond trade date back to Antwerp in 1946. He continues that tradition through original jewelry designs, carefully selected natural diamonds and a commitment to craftsmanship. Read our story.