The Guide to Old Mine Cut Diamonds

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We’re delighted you found our old mine cut diamond guide. This is our chance to introduce you to these unique and gorgeous diamonds. Old mine cut diamonds are classic and warm with their square shape and gentle, curved edges.

Brightguide will discuss these diamonds’ background, features, benefits and downsides, appraisal standards, and market value. This will teach you everything about old mine cut diamonds and their value. Jump right in!

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Key Takeaways

  • Old mine cut diamonds have a square shape with curved corners and a warm, vintage charm, originating from the 18th and 19th centuries.
  • When selecting an old mine cut diamond, consider factors like its shape, carat weight, quality of cut, clarity, and color to match your preferences.
  • Certification from reputable gemological labs like GIA or AGS is essential when purchasing an old mine cut diamond to ensure its quality and authenticity.
  • Old mine cut diamonds are valued by collectors and vintage jewelry enthusiasts for their unique appeal, despite being less brilliant than modern cuts.
  • These diamonds are considered environmentally friendly, as they were mined and cut using traditional methods that have less impact on the environment compared to modern diamond mining techniques.


During the Georgian, Victorian, and Edwardian eras, old mine cut diamonds were a popular choice. The history of diamond cutting started in the early 18th century when diamonds were hand-cut. The term “old mine” originally referred to Brazilian and Indian diamond mines. Before South Africa, these were the principal diamond sources. Due to hand-cutting, these diamonds have irregular facet joints.

Even with imperfections, modern cuts can’t match old mine cut diamonds’ shine and elegance. In the 18th and 19th centuries, old mine cut diamonds were prominent in jewelry creation. By the end of the 19th century, the old mine-cut diamonds were usually in demand, but after, in the middle of the 20th century consistently reduced because of the old European-cut diamond emerging.

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How Does an Old Mine Cut Diamond Look?

Old mine cut diamonds were hand-cut and cleaned in the 18th and 19th centuries. They have a unique square shape with smooth, curved corners. In the old mine cut diamonds, you can find the asymmetrical formation of facets, while in the modern cut diamonds, their asymmetrical shape appears. Due to their asymmetrical shape, these diamonds carry short and uncompleted facets.

The Vintage Look

Old mine cut diamonds have an unmistakable vintage appeal, and they have a special charm that modern diamond cuts can’t match. From the Georgian to the Victorian and Edwardian eras, these diamonds were famous. They have a romantic and soft sparkle that brings those times to life.

Old mine diamonds have a distinct antique look that appeals to people who like vintage jewelry, and their warm color tones add to their vintage appeal. They may not sparkle as much as modern diamond cuts, but the large facets make them better at reflecting light, making a lovely play of light and shadow.

Compared to modern diamond cuts of the same carat weight, old mine diamonds are rare and valued as collector’s items. If you want a one-of-a-kind piece of jewelry that will last a lifetime, old mine diamonds are a great choice.

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The Best Way to Pick an Old Mine Cut Diamond

There are a few important things to think about when picking out the perfect old mine cut diamond.

Shape of a Diamond

The diamond shape that best fits our personal preferences is important when selecting the perfect old mine cut diamond. In terms of diamond shapes, there are many choices, but the brilliant cut diamond and the cushion cut diamond are two popular choices for old mine cut diamonds.

With its round shape and many faces, the brilliant cut diamond has a classic look that will never go out of style. The cushion-cut diamond, on the other hand, has a romantic and vintage charm thanks to its soft, curved edge and square shape. Both shapes look good in their own ways, so the choice comes down to our own personal taste and style.

Let’s talk about the carat weight of old mine cut diamonds now that we’ve talked about the shape of the diamond.

Carat Weight

The carat weight and how it fits with our personal preferences should be taken into consideration when selecting our ideal old mine cut diamond. Carat weight tells you how big the diamond is, and it’s a big part of how much it’s worth.

Old mine cut diamonds are frequently bigger than the 1-carat range diamonds that are frequently used in contemporary engagement rings. Due to the hand-cutting process, the diamond’s weight may not be spread out evenly, so it’s important to look at it in person or from different angles.

Quality of Cut

Let’s talk about the beauty of the cut and how to pick the best old mine cut diamond. When you judge the cut of an old mine diamond, you should look at its unique qualities and beauty. Here are some things to think about:

Hand-Cut Charm:

During the 18th and 19th centuries, skilled diamond cutters handcrafted old mine diamonds, creating unique characteristics.

  • These diamonds were designed to shine in candlelight or dim lighting settings.
  • A defining feature of old mine diamonds is the visible circle at the center of the table.

Differences from Modern Cuts:

Old mine diamonds have a distinct cut style compared to modern diamond cuts.

  • Due to their hand-cut nature, they may lack perfect evenness and symmetry.
  • Old mine cuts possess a vintage appeal that sets them apart from contemporary cuts.

When selecting the perfect old mine cut diamond, personal taste and appreciation for the distinctive beauty of vintage diamonds should be considered.


To find the best old mine cut diamond, we can look at its color and clarity. Clarity scores tell you how many flaws or inclusions are in the diamond. Certification organizations accurately describe the clarity grade of old mine diamonds, so it’s crucial to inspect the open table area for any flaws that might be visible. It’s important to note, though, that eye-clean diamonds are the standard for clarity, no matter what cut they are.


In terms of color, a lot of old mine diamonds have warm tones that make their features stand out in low light. You can often find old mine diamonds that are less than K. But old mine diamonds in the D-H range that are clear have been cut into modern brilliant diamonds.

Old mine diamonds have a warm color, which is why people prefer them rather than modern standards that place colorless diamonds at the top of the list. Instead of just looking at the standard colorless scale when picking out an old mine cut diamond, it’s important to think about what you like and what looks good to you.

Verify Authenticity

We should think about both proof and personal taste when picking out the perfect old mine cut diamond. An important part of figuring out the quality and authenticity of a diamond is its certification. When thinking about licensing, keep these important things in mind:

  • Look for approval from gemological labs you can trust, like GIA or AGS.
  • A stone that has undergone professional inspection and grading is a confirmed diamond.
  • A diamond’s cut, color, clarity, and carat weight (Cs) are all described in great depth in its certification.
  • It also has important information about the diamond’s shape, shine, and symmetry.
  • A confirmed old mine cut diamond gives you peace of mind and lets you know that it is valuable and of good quality.

When picking out an old mine cut diamond, it’s important to think about certification because it helps you make a choice based on accurate information.

The captivating vintage appeal of these diamonds will now be discussed.

An interesting read: Cuts in a Diamond: A Comprehensive Guide

The Setting and Style

As jewelry lovers, we can look at the different settings and designs that are available for an ideal old mine cut diamond. These elements bring out the beauty and uniqueness of the old mine cut diamond. Here are two sub-lists that will help you picture things:

Choices for setting:

  • Delicate lattice patterns show off the diamond’s old-fashioned beauty.
  • Bezel sets show off the shape of the diamond while keeping it safe and secure.

Choices for design:

  • Designs that look like they came from the Art Deco era, with geometric shapes and strong lines.
  • A romantic and girly touch is added with floral patterns and fine scrollwork.

Consider your style and look when choosing a setting and pattern for your old mine cut diamond. You may make a conventional or inventive piece of jewelry with so many options.

Plan your budget

What kind of old mine cut diamond we can buy will depend on how much money we have. For those who value originality and vintage charm, these diamonds are a sustainable option because they are rare and valued as a collector’s item. Compared to modern diamond cuts of the same carat weight, old mine cut diamonds may be a more affordable choice.

Things like carat weight, color, clarity, and general condition affect how much an old mine cut diamond is worth on the market. Work with a reputable jeweler who sells old mine cut diamonds to receive the best value. If we plan our budget and work with an experienced jeweler, we may discover the perfect old mine cut diamond that is gorgeous and long-lasting.

Diamond with an Old Mine Cut or an Old European Cut?

Because of its distinctive charm and vintage appeal, we prefer the Old Mine Cut Diamond to the Old European Cut Diamond. For those who enjoy vintage jewelry, the Old Mine Cut Diamond has a distinctive antique appearance. With a high cap, a small table, and many large facets, its beautiful cushion-shaped shape gives it a beautiful, soft sparkle.

There are a few key differences to keep in mind when contrasting the Old Mine Cut Diamond and the Old European Cut Diamond:

  • Shade: The Old Mine Cut Diamond is square with softly curved edges. The Old European Cut Diamond is rounder, more like the current round brilliant cut. The Old Mine Cut Diamond looks older because its culet is bigger and easier to see.
  • Table: The Old Mine Cut Diamond has a slightly deeper table than the Old European Cut Diamond. The Old European Cut Diamond, on the other hand, has a table that is smaller and a crown that is larger.
  • Fire: The Old Mine Cut Diamond has a unique play of light and shade because of its larger facets, whereas the Old European Cut Diamond has a different way of showing color and contrast patterns.

Prices Of Old Mine Cut Diamonds

The market value of old mine cut diamonds is a topic of interest for many people who enjoy vintage jewelry. Collectors and people who love antique jewelry are always on the lookout for old mine cut diamonds because of their beautiful sparkle and vintage appeal. Different things, like carat weight, color, clarity, and general condition, can change how much an old mine cut diamond is worth on the market.

Antique and vintage jewelry collectors are ready to pay more for these diamonds because they are hard to find and have historical value. Because of their uniqueness and antique charm, old mine cut diamonds are worth more than modern diamond cuts. Trends and demand can influence market value, so be aware. You should engage with a reputable jeweler or diamond expert who deals in old mine cut diamonds to achieve a fair price.

Cost of Old Mine vs. Lab-Grown Diamonds

Cost matters when comparing Old Mine vs lab-grown diamonds. Lab-grown diamonds are cheaper than actual diamonds because scientists use cutting-edge technology. For Old Mine diamond fans, the price is worth it due to their history, distinctiveness, and character.

Natural diamonds, which are typically expensive and take a very long time to mine, are more expensive than lab-created diamonds. Lab-created diamonds can be made in just a few months, and the materials used are easy to get. This makes them more widely available on the market, which makes them cheaper.

Why Choose an Old Mine Cut Diamond Ring

Before you buy an old mine cut diamond ring, there are a few very good reasons to do so.

Friendly to the environment

It’s interesting that buying an old mine cut diamond ring can be a really green choice. If you choose an old mine cut diamond, you’re indirectly helping the diamond industry use more environmentally friendly methods. This is why:

  • Less damage to the environment:
  • Old mine cut diamonds were found and cut before modern mining methods, which most of the time hurt the environment.
  • You are not supporting modern diamond production methods that can destroy habitats, pollute water, and cut down trees by choosing this diamond.

No More Mining

  • If you buy this diamond, it means that no more digging is needed to get it.
  • This helps protect natural resources and lowers the need for modern diamond mining, which can have big effects on the environment.

Different Shape

We love how unique and pretty the shape of old mine cut diamond rings is. One thing that makes them unique is that they are square and have soft, curved ends. Many people find them very attractive because they look old and beautiful because of their shape.

When old mine diamonds are cut well, their larger facets make their unique shape stand out even more and add to their beauty. When the square shape and larger facets are put together, they make a beautiful play of light and shadow.

That way, you know you’re wearing a piece of history that will never go out of style and will always be interesting.

Where to Buy Old Mine Cut Diamonds

With thousands of diamonds to choose from, finding that rough diamond transformed into a vintage masterpiece becomes a captivating journey for jewelry enthusiasts.

When searching for the perfect vintage diamond engagement ring, discerning customers often turn to European diamond vendors known for their commitment to quality diamonds. These vendors offer an exquisite range of diamond types, including antique cut diamonds with a timeless charm and modern stones with impeccable diamond quality. 


We know that old mine cut diamonds are one-of-a-kind and very rare, and they have a certain antique charm and vintage appeal. This type of diamond has a romantic and soft sparkle that is different from modern diamond cuts because it has a larger culet, uneven facets, and a warm color.

These diamonds are special because they were hand-cut and polished in the 18th and 19th centuries. They may not dazzle like modern diamonds, but vintage jewelry lovers admire their traditional beauty.


BrighterGuide is dedicated to providing accurate and relevant information as you explore the wonderful world of diamonds and jewelry. To this end, our writers refer to primary information sources in building each article that appears on this website. These include, but are not limited to, published news articles, government portals, research papers, and more.

  1. The GIA difference – (n.d.).
  2. Gemological Institute of America. (n.d.). Gemological Institute Of America | All About Gemstones – GIA.
  3. Learn How to Buy a Diamond with the GIA Diamond Buying Guide | 4Cs of Diamond Quality by GIA. (2022, July 22). GIA 4Cs.

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