Kwiat screens every diamond in-house with REVEAL auto-detection and Stage XL

A House That Measures Itself Against Itself

Kwiat has been in the diamond business since 1907. Four generations later, the company is still family owned and still known for the same thing it was known for at the start: an unwillingness to let a stone through that does not meet the house standard.

That standard is not a marketing position at Kwiat. It is a production discipline. It shows up in how the company buys, how it cuts, how it sets, and how it inspects. It is the reason the house is the exclusive U.S. retail source for the ASHOKA cut and associated with the kind of diamond jewelry that gets examined closely by people who know exactly what they are looking at. It is the reason the house can put a piece in front of a client who expects every claim made about it to hold up under scrutiny.

An operation like that does not adopt new equipment casually. When it does, the reason is usually that the standard itself has moved.

Why the Standard Moved

Lab-grown production has scaled worldwide, and the goods moving through the trade are no longer reliably homogeneous. Parcels get mixed. Repairs come back with stones that were not there when the piece left. Goods arrive with a history that has to be established rather than assumed.

For most of the industry, this is a risk to be managed. For a house whose entire value proposition is the diamond itself, it is a direct threat to the thing the business is built on. Verification stops being a checkpoint and becomes part of production.

Edward Petersen, SVP of Production at Kwiat, brought forward a project to enhance the company's quality control protocols with the latest verification technology. Russell Kwiat and Greg Kwiat approved it. The decision reflects something worth noting: the initiative came from the production floor, from the people who handle the goods, and it was backed at the top of the house rather than filtered through a budget cycle.

Why the REVEAL Diamond Detector Line

Kwiat evaluated its options against the work it actually does, which is a useful discipline. The two requirements that shaped the outcome were auto-detection and the ability to screen the pieces the house is best known for.

Auto-detection. Without it, screening depends on an operator reading fluorescence and phosphorescence images for every stone and cross-referencing color patterns from memory. That is a skill, and Kwiat has people who have it. It is also a task that degrades with volume. Attention is finite, and a protocol that quietly depends on sustained human concentration across large batches is a protocol with a soft spot in it.

The REVEAL Diamond Detector with auto-detectionremoves that dependency. Each stone is classified automatically as Natural, Potential Lab-Grown or Potential Simulant. The raw fluorescence and phosphorescence images stay visible alongside every verdict, so the gemologist keeps the final word and the machine is doing what machines do well: applying the same criteria to the fortieth stone that it applied to the first. For a QC protocol, that consistency is the point. It makes the result reproducible rather than dependent on who was at the station that afternoon.

For a house that already has strong gemological judgment in the building, auto-detection does not replace expertise. It frees it, moving experienced eyes off routine classification and onto the cases that actually need them.

That shift has a name on Kwiat's production floor. Lah-Juan Drayton, GG, is the Graduate Gemologist who runs REVEAL day to day, and he has taken to the platform with real conviction. He is also the person best positioned to be skeptical of it, since an instrument that overreached would cost him time rather than save it. What he gets instead is a consistent first read on every stone in a batch, with the fluorescence and phosphorescence images in front of him for every verdict, so the pieces that genuinely call for a gemologist reach him with his attention intact.

The REVEAL STAGE XL

The second requirement was harder, and it is where most screening equipment stops being useful to a high jewelry house.

Kwiat makes high end jewelry, and that includes cluster necklaces. These are rigid pieces with diamonds grouped into dense formations across a wide platinum or gold structure, often combining marquise, pear, oval and brilliant cuts in a single composition, frequently spanning ten to fourteen inches or more when laid flat. They cannot be bent, folded or compressed into a conventional screening tray.

The consequence was not that these pieces were slow to screen. It was that once the jewelry was finished, they could not be screened at all. Verification had to happen upstream, at the loose stone stage, before setting. After that the window closed. A completed cluster necklace could be inspected, photographed and documented, but the diamonds in it could not be put through an automated screening protocol the way every other piece in the house could.

That left the most valuable work in the building sitting outside final QC. Not because anyone chose to exempt it, but because no instrument on the market could accept it. For a house that inspects at every stage precisely so that nothing depends on a single point of trust, a category of goods that can only be verified before assembly is a real gap, and it sits exactly where the stakes are highest.

The REVEAL STAGE XL was built specifically for this. It is the only automated diamond screening device on the market capable of screening high jewelry cluster necklaces. It offers the largest analysis area in the industry, 12 1/65 inches by 10 inches, over a core XY mechanical tray divided into six independently selectable sections that travel automatically under the detector.

The practical effect on Kwiat's floor is that the same station handles the full range of the house's output. 150 rings across the six sections, analyzed in under four minutes. Up to 30 bracelets per cycle. Loose stones. And the cluster necklaces, laid flat and screened as finished pieces, at the same stage as everything else. One protocol, applied to the entire output, with no category carved out of it.

Documentation as Part of the Product

There is a second reason the project made sense at Kwiat specifically.

Every analysis a REVEAL Diamond Detectorperforms can be saved and turned into a report through the my.jtr portal. For a house whose pieces stay in a family for generations and come back over the years for service, appraisal or insurance documentation, that archive becomes a permanent reference: a time-stamped account of what was screened, when, and what the analysis showed.

In high jewelry, provenance is not paperwork attached to the object. It is part of the object. A verification record created at the moment a piece is produced is worth considerably more than one reconstructed twenty years later.

Two Houses, One Standard

Kwiat did not adopt automated diamond screening simply because the technology was available. It adopted it because the house has never treated its quality standard as finished. Each generation has raised it, and each generation has been willing to rebuild the process to match.

That is what an obsession with excellence looks like in practice. Not a claim made once and defended, but a standard held open on purpose, reviewed against what the work now demands, and raised again the moment something better exists.

It is also the ground this partnership stands on. JTR builds verification technology for people who intend to use it on their most important work, not their easiest. Kwiat evaluated the REVEAL line the way it evaluates everything else, against the hardest thing on its own floor, and JTR built the REVEAL STAGE XLfor exactly that class of work. Two houses that refuse to define a standard downward tend to recognize each other quickly.

Our thanks to Edward Petersen, Russell Kwiat and Greg Kwiat, and to the Kwiat production team for the rigor they brought to the evaluation. We are proud to work alongside them.

Empowering the jewellery industry through technology and research.

The JTR Team