Put an antique diamond next to a modern one and you'll see the difference right away. The modern stone sparkles like a thousand tiny pinpoints. The antique one glows, with big, slow, dreamy flashes of light, like a candle flickering inside it. That glow comes from the way it was cut, by hand, a hundred or more years ago.
🕯 Cut for a World Without Electricity
Until the early 1900s, people lived by candlelight, oil lamps and gaslight. Diamond cutters shaped their stones to come alive in that soft, warm light. They worked by hand and by eye, and they cut each diamond to save as much of the precious rough crystal as possible. No two stones came out exactly alike.
💎 The Old Mine Cut (about 1700s – late 1800s)
Shape: a soft, rounded square, like a pillow, often called a cushion shape
Top: a high, peaked crown with a small flat table on top
Bottom: a large open culet, a tiny flat facet at the very point, which you can sometimes see as a small circle through the top
Look: chunky, dramatic flashes of light and lots of character
Old mine cuts are named for the "old mines" of India and Brazil, the world's diamond sources before South Africa's great discoveries in the late 1800s.
⭕ The Old European Cut (about 1890s – 1930s)
Shape: round, thanks to new tools that could turn diamonds on a lathe
Top: still a small table and a tall crown
Bottom: an open culet, like the old mine cut
Look: broad, flower-like flashes of light that radiate from the center
The old European cut is the diamond of Edwardian and Art Deco rings, and the direct ancestor of today's round brilliant.
✨ And Then Came the Modern Brilliant
In 1919, a young engineer from a family of diamond cutters, Marcel Tolkowsky, worked out mathematically how to cut a round diamond for maximum sparkle. Over the following decades, his ideas, together with brighter electric lights and new cutting machines, led to the modern round brilliant: a larger table, a lower crown, a pointed culet and a crisp, bright sparkle. In between, from around the 1930s and '40s, you'll find transitional cuts that mix old and new.
💕 Why People Love Old Cuts
They're romantic. Their soft glow looks magical in candlelight, at dinner, by a window.
They're rare. Nobody cuts diamonds this way anymore, and many old stones were recut into modern shapes, so fewer survive every year.
They're unique. Every one was shaped by hand, so each has its own personality.
They're authentic. An old cut diamond is a strong sign that a ring's stone is truly antique.
🔍 Tips for Buying an Old Cut Diamond
✅ Don't judge it by modern grading alone. An old cut may be a little warmer in color or less "perfect" in shape, and that's part of its charm.
✅ Look at it in different lights, especially soft, warm light, where it truly shines.
✅ Check that the girdle, the thin outer edge, has no chips, since antique stones have lived a long life.
✅ Ask your jeweler to show you the open culet through a loupe. It's a lovely little detail of history.
🛍️ See the Glow for Yourself
Visit us at 322 Royal Street and compare an old cut diamond with a modern one side by side. You'll see the difference in a heartbeat.
