What is Microsetting?

The short version

Microsetting is the technique of placing very small diamonds (typically half-point stones, around 1.1mm and below) into a piece of metal so closely together that the surface looks like a continuous sheet of diamond. The stones sit in seats drilled into the metal. They're held in place by tiny beads of metal raised up from the surface using a graver, then dressed and polished so the beads are nearly invisible.

It's done under a microscope. It has to be. The features you're working with are too small for the naked eye to resolve at the level of finish that separates a good piece from a bad one.

Where the name comes from

"Pavé" is the older term, French for "paved", and it describes a setting style where small stones are placed close together so the metal surface ends up paved with diamond. Pavé as a category covers a huge range of stone sizes, from 2mm or larger down to the very smallest melee.

"Microsetting" became the common term in the trade once microscopes became standard at the bench and stones below about 1.2mm started being set in volume on commercial pieces. The "micro" refers to the size of the work, not the size of the stones alone. You're working with bead diameters of perhaps 0.3 to 0.5mm, drill seats of 1mm or less, and graver paths measured in tenths of a millimetre. At that scale, you cannot work without magnification.

So all microsetting is technically pavé, but not all pavé is microsetting. If a piece is set with 2mm stones, it's pavé. If it's set with half-point stones under a microscope, it's microsetting.

What microsetting looks like in finished work

Two things give microset jewellery its distinctive appearance:

1. Continuous diamond surface. Because the stones are tiny and packed tightly, the eye reads the piece as a sheet of brilliance rather than a series of individual stones. There's almost no visible metal between them.
2. Tiny invisible beads. The metal beads holding the stones in place are so small and so well finished that they catch light without reading as separate elements. On a properly executed micropavé piece you have to look closely to see how the stones are being held at all.

You see this on every major luxury house's setting work: Cartier, Van Cleef, Graff, Harry Winston, Tiffany. The technique is everywhere in modern fine jewellery because nothing else gives that "field of diamond" effect.

The tools

You cannot do this work with a polishing motor and a few hand tools. The toolkit is specific. If you're missing the core pieces, you'll struggle no matter how much you practise.

The non-negotiables

• Stereo microscope. A proper bench-mounted scope with at least 10x magnification. A loupe will not do this work.
• Pneumatic engraving system. Most professional setters use a GRS GraverMach or GraverSmith with a 901 or QC handpiece. The reason: it gives you precise, controlled impulses you can modulate without your wrist getting tired. Hand-pushing gravers for a full day of setting is brutal, and the consistency suffers.
• Carbide gravers. Specifically shaped for setting work: onglette and flat profiles ground to setting angles. We'll cover sharpening in a moment because that's a craft of its own.
• Beading tool handles with cup sets. The cups are what shape the metal beads after the stone is in place. You need a full size range, typically 0.3mm through 1mm.
• Micromotor with quality drilling burs. The seats for the stones are drilled with small spherical or 156 burs at low speed.

The supporting kit

• Ring fixture or ball vice that holds the work absolutely steady
• Vernier callipers for measuring stones to the hundredth of a millimetre
• Quality dividers
• Tweezers (a few different shapes)
• Good lighting at the bench, balanced with the microscope's own illumination

The technique, sequence by sequence

Every setter has slight variations on this, but the core sequence holds for almost any microset piece.

1. Bright cut the layout

Before any drilling happens, you cut clean bright lines into the metal that will define where the diamonds sit. These cuts do two things: they map the layout precisely, and they reflect light back through the stones once they're in place. A piece with crisp bright cuts always looks better than one without, even if the stones themselves are identical.

2. Drill the seats

Each stone needs a seat that matches its diameter. You use a drill or bur slightly larger than the stone, going to a controlled depth. Too shallow and the stone sits proud. Too deep and you've weakened the metal where the bead needs to come from.

3. Open the seats with a bur

A 156 bur or similar is used to give the seat the shape that lets the stone drop in cleanly and sit at the right depth.

4. Set the stones

Each stone is dropped into its seat and pressed down level with the surrounding metal. This is where the work starts to require real care. The stones need to be at exactly the same height as their neighbours, otherwise the finished surface will look uneven.

5. Raise the beads

This is the hardest part. Using a sharp graver, you cut a small chip of metal from beside the stone and push it up and over the edge of the diamond, where it locks the stone in place. You're cutting and lifting at the same time. On a half-point pavé you might raise four beads per stone. On a piece with hundreds of stones, that's thousands of cuts, every one of which has to be controlled.

6. Cup the beads

The raised metal beads are then shaped into perfectly round domes using a beading tool with a cup that matches the bead size. The tool spins or rocks against the metal, work-hardening it and giving it that characteristic round, polished appearance.

7. Bright cut between the beads

Final clean-up cuts go between the rows of stones to remove any leftover metal, sharpen the visual lines of the piece, and add the final flash of brightness. A lot of setters skip this step. The ones who don't are the ones whose work people remember.

What makes a piece "good"

A few markers separate competent microset work from work that gets noticed.

• The stones are level. Run a fingernail across a properly set piece and you should feel nothing but smooth diamond. Inconsistent stone heights are the most common giveaway of inexperienced setting.
• The beads are uniform. Same size, same shape, same position relative to each stone. This is muscle memory and microscope discipline, not luck.
• The bright cuts are crisp. Not just present, but cut to a polish that catches light. A dull bright cut isn't a bright cut. Ian's signature term for this is "crispy".
• No tool marks. Every visible mark on the finished piece is intentional. Slip marks, scratch lines, drill skips: all signs that the work needed more time than it got.

How setters get good at this

Honest answer: practice, with feedback, on real production conditions.

Most setters who plateau do so because they only ever practise on calibrated practice stock. In production, you face uncalibrated stones, irregular pieces, awkward gallery shapes, hard solder seams, white gold that's too brittle, platinum that drags, and dozens of other variables that practice stock doesn't expose you to. The setters who progress fastest are the ones who get instruction that includes those variables, not just the textbook version.

The career-long pattern looks like this:

1. Year 1 to 2: learn the basic motions cleanly. Drill seats, set stones level, raise beads consistently. You'll be slow.
2. Year 2 to 4: develop speed without losing finish. Start handling commercial work alongside a senior setter or with structured instruction.
3. Year 4 onwards: take on the work other setters can't or won't, including high-value stones, complex layouts, and pieces that require improvisation.

You can compress the early years dramatically with proper instruction. You can't shortcut the practice. The hours at the bench are the hours at the bench.

Why microsetting matters commercially

Microsetting is one of the few jewellery skills where supply genuinely doesn't meet demand. Every luxury jewellery house in the world needs microsetters, and the pool of setters who can do the work to high-end standard is small. That has two practical consequences for working bench jewellers:

• The work pays well. Microset commissions command setting fees several times higher than channel or prong work, because the labour involved per stone is genuinely higher and the standard required is genuinely tighter.
• The work tends to find good setters. Once a workshop knows you can microset to standard, they bring you their hardest pieces. That builds a reputation that extends well beyond local market rate.

Common questions

Can I learn microsetting without a microscope?

No. You can practise some of the foundational techniques without one, but the actual work requires magnification. If you're serious about getting into this, a stereo microscope is the first investment to make.

Is microsetting the same as micropavé?

For practical purposes, yes. The terms are used interchangeably in most workshops. Some setters use "micropavé" to specifically mean small-stone pavé in dense layouts, and "microsetting" as the broader category, but the line isn't strict.

Do I need to know hand engraving first?

Not first, but the bright cutting that makes microset work look good is engraving. Setters who develop their engraving alongside their setting tend to produce better-looking work overall. The Microsetting Academy includes a full hand engraving section inside the pavé module for exactly this reason.

What's the biggest mistake new microsetters make?

Rushing the bead-raising step. The bead is what holds the stone, but it's also what the eye sees. A rushed bead is uneven, oversized, or misplaced, and it makes the whole piece look amateurish even if the stones themselves are perfectly set. Slow down on the beads. The rest follows.