A custom price is not a mystery
Custom work is priced by the piece, which makes the total look arbitrary next to a catalog number. It is not. Every quote breaks into the same four lines: metal, stone, labor, and finishing.
Understanding those lines helps in two ways. It tells you where the money actually goes, and it shows which changes lower the total without changing the design you want.
Metal weight sets the floor
Metal is priced by weight, and weight follows volume. A 3mm band uses roughly twice the gold of a 2mm band of the same diameter, and a heavy cathedral setting carries more metal than a low four-prong head.
This is the line where karat matters most. Moving from 18K to 14K cuts the metal cost by about a third without changing a single line of the design. Moving from platinum to 14K white gold cuts it further, because platinum is denser and costs more per gram.
Metal weight is also the line that decides how the ring feels. A ring that feels substantial usually has metal in it, and that weight has a price.
Stone choice moves the total most
On a piece with a center stone, the stone is usually the largest single line. At the same face-up size, moissanite, lab-grown diamond, and lab-grown colored stones sit at very different prices.
Size multiplies the gap. A one-carat difference between two stone types costs a certain amount. A three-carat difference costs far more than three times as much, because price per carat rises with size in every category.
Side stones add up quietly. A halo with twenty melee stones is a meaningful cost even when each stone is small, and the labor to set them is separate again.
Labor follows complexity, not size
Setting labor is charged by the operation, not by the gram. A bezel takes more bench time than four prongs because the metal has to be pushed over the stone evenly all the way around. A pave band takes far more time than a plain one.
Hand engraving, milgrain, and filigree are the expensive detail categories because they cannot be cast in and left as-is. Each one is finished by hand after casting, and the time scales with surface area.
This is the line where a small design change can have a large effect. Removing a hidden halo or simplifying the gallery can save more than switching metals.
| Cost line | What moves it | Best lever if the total is high |
|---|---|---|
| Metal | Band width, setting style, karat, metal type | Drop one karat, or narrow the band by 0.5mm |
| Center stone | Type, carat weight, color, clarity | Step down a quarter carat, or loosen clarity one grade |
| Side stones | Count, size, setting style | Replace a full halo with a half halo |
| Setting labor | Bezel, pave, channel, prong count | Four prongs instead of six, plain gallery |
| Hand detail | Engraving, milgrain, filigree | Limit detail to the top face only |
| Finishing | Plating, high polish, matte or brushed | Standard polish, skip the two-tone finish |
| Size and stones count | Ring size, number of pieces | Order the pair together in one run |
Size and finger coverage
A larger ring size needs more metal to reach the same band width, so a size 11 band costs more than a size 5 at identical proportions. The difference is small on a plain band and larger on a wide one.
Finger coverage is a design decision with a cost attached. A ring that spans the full width of the finger uses more metal and more stones than a delicate band, and it is the visual weight that most people are actually paying for.
Finishing and plating
Finishing is the smallest line on most quotes. Rhodium plating, high polish, and matte or brushed surfaces are quick operations compared to setting.
Two-tone finishes and black rhodium accents cost more because the piece passes through the plating bath more than once and needs masking between steps. If the design does not depend on the contrast, dropping it saves a little.
Where volume helps
Setup work is charged once per design, not once per piece. A wedding pair built from one CAD model costs less per ring than two separate designs, because the model, the render, and the approval happen once.
The same applies to a set: engagement ring, wedding band, and a matching pendant designed together share proportions and tooling. Each additional piece in a matched set is cheaper than the first.
How to cut cost without hurting the piece
- Keep the setting simple and put the budget into the stone.
- Choose 14K over 18K on any band you will wear daily.
- Ask for a slightly under-round carat weight, such as 1.90 instead of 2.00.
- Use a half halo or a plain gallery instead of a full hidden halo.
- Skip engraving on surfaces nobody sees.
Quotes come back within one business day, and each one is itemized so these trade-offs are visible rather than guessed. The process page shows where the quote sits in the timeline. Current stone pricing is on the loose stones page, and setting styles are on engagement rings.