Most diamonds you will ever see were cut to win an argument about light.
Somewhere around 1919, the round brilliant was worked out mathematically. Proportions were calculated to return as much white light to the eye as possible. It succeeded completely. It is the reason a modern diamond in a jewellery shop looks like a small electric bulb. It is also the reason almost every engagement ring made since looks like every other one.
We build our work around the cuts that came before that. Not out of nostalgia. Because they do something the modern cut gave up.
What an Old Cut actually is
Two shapes matter here.
The Old Mine Cut is the older of the two. A soft, squarish cushion outline with a high crown, a small table, and chunky, uneven facets. It was shaped by hand, by eye, following the rough stone rather than fighting it. No two are quite identical.
The Old European Cut came later and is round, but it keeps the same anatomy: tall crown, small table, deep body, and an open culet, the flat facet at the very bottom that reads as a tiny circle when you look straight down through the stone. It is the direct ancestor of the modern round brilliant, and it looks nothing like it.
Both were designed under candlelight and gaslight. Few light sources, warm, low, moving. So the facets are large and few, and the stone answers with broad, slow flashes of colour rather than fine white glitter.
Put one under a bright shop spotlight and it can look sleepy next to a modern brilliant. Put it on a hand at dinner, and the modern brilliant is the one that looks flat.
Why they disappeared
Nothing was wrong with them. Cutting changed for commercial reasons, not aesthetic ones.
Hand-cutting to the shape of the rough wasted less material but took far longer and produced inconsistent results that were difficult to grade, difficult to price, difficult to sell at scale. Calculated proportions and mechanical precision made diamonds gradeable, comparable, and standard.
The trade got a system. The stones lost their handwriting.
Where we depart from the originals
Here is the part very few people do.
It would be easy enough to reproduce an antique cut exactly. Copy the proportions, keep the flaws, sell the romance. We don't do that, because a genuine Old Mine Cut carries a couple of centuries of compromise in it. Those stones were cut to save weight from expensive rough, by hand, without the tools to check the result.
We are not working with expensive rough. We work with moissanite and lab-grown diamond, where the material constraint that shaped those compromises simply doesn't exist.
So we keep what makes an old cut beautiful. The high crown, the small table, the large facets, the open culet, the depth. Then we correct what was only ever a limitation. Facet angles are set deliberately. Symmetry is held where it should be held and left alone where the character lives.
The result is a stone that reads as antique and behaves better than an antique. That is what we mean by a performance-optimised cut. It is our signature, and it is the reason our pieces don't look like anything else in lab-grown.
Old Mine or Old European?
A short guide, since it's the question we're asked most.
Choose an Old Mine Cut if you want the softer, more romantic option. The cushion outline is gentler on the hand, the facets are larger, and the flashes are broader and more colourful. It reads as old.
Choose an Old European Cut if you want something closer to a classic round without the modern glitter. It's more symmetrical, a little brighter, and easier to pair with a plain band or a simple solitaire setting.
Neither is more correct. Old Mine tends to suit warmer metals and warmer stones. Old European carries white gold and platinum comfortably.
On warm stones
Old cuts and champagne tones belong together, and this isn't an accident.
The facet structure of an old cut sends back broad, slow flashes rather than pinpoint sparkle, which means the colour of the stone has room to show. In a colourless stone that produces a soft, buttery light. In a light or dark champagne stone it produces something closer to warm honey, and the antique geometry stops it looking like a compromise on a white diamond and starts it looking like a deliberate choice.
If you're drawn to old cuts and haven't yet looked at a champagne stone, look at one.
One honest note about time
Custom-cut stones take longer. Our standard production is two to three weeks. A custom old cut usually runs three to four, and it is the one thing we can't rush, because the stone has to be cut before anything else can begin.
We'd rather tell you that up front than quietly miss a date.
Explore: Old Mine Moissanite Rings · Old Mine Lab Diamond Rings · Champagne Engagement Rings
Have something specific in mind? Every piece we make is handcrafted to order, and most of our work starts as a conversation. Start a custom design