Diamond is one of the hardest substances in nature, and its hardness and unique optical properties make it an important material in jewelry and industry. However, the processing and cutting process of diamonds is very complex. Cutting diamonds from old mines is a unique method that differs from other conventional diamond cutting methods and has many advantages.

1. History and overview of old mine cut diamonds

The history of diamond cutting can be traced back centuries, but the true diamond cutting technology began in the 15th century. The earliest diamond cutters were Belgians. They hand-carved diamonds to give them strong sparkle and refractive index. This process is called "cutting".

Old mine cut diamonds are a unique cutting method that originated in the late 19th and early 20th centuries when large quantities of diamonds were discovered in diamond deposits in South Africa. These diamonds are called "old stones" because of their unique form and texture, which are sometimes better than modern diamonds.

Due to the different original growth environments, these old ores have great differences in appearance and internal structure. Old mine cut diamonds are a method of cutting diamonds precisely according to their original shape and structure to maximize the original beauty and rarity of the diamond.

In addition, old mine-cut diamonds are a very time-consuming cutting method that requires the use of manual techniques, which also means that old mine-cut diamonds have extremely high value and collection value.

2. Advantages of diamonds cut from old mines

Unique Appearance: Old mine stones are typically rougher than modern diamonds, but they also have a more natural and pristine appearance. Old mine-cut diamonds usually retain the original shape and structure of the diamond, making them more ornamental when viewed.

More light diffusion: Due to the structure and shape of the old stone, old mine cut diamonds reflect and scatter light in a very different way than modern diamonds. Old mine diamonds scatter more light, which means they take on a softer, more elegant appearance.

Precious and Rare: Old mine cut diamonds are a very rare item as they only exist in limited quantities. The rarity and uniqueness of this diamond make it highly sought after by collectors and diamond enthusiasts.

Handmade: Old mine cut diamonds are completely handmade, which means each Old Mine diamond is unique and no two Old Mine diamonds are exactly the same. This level of handcrafting sophistication requires a high degree of skill and a lot of time and labor.

3. Disadvantages of diamonds cut from old mines

Expensive: Due to the scarcity of old mine-cut diamonds and the requirements for handcrafting, they are typically much more expensive than modern diamonds. For the average consumer, old mine cut diamonds may be too expensive to afford.

Long Cutting Time: Old mine cut diamonds need to be cut by hand, which means they take longer to complete and cost more. This makes old mine cut diamonds commercially impractical and only suitable for personal collection and investment needs.

Certain shapes are difficult to cut: Because old mine diamonds have a fixed shape and structure, certain shapes may be difficult to cut. Such restrictions mean that some old ores cannot be used as old mine-cut diamonds because this would destroy the original shape and structure.

4. Application of diamonds cut from old mines

Old mine cut diamonds are mainly used in jewelry design and collection fields. Because of their unique appearance and rarity, old mine-cut diamonds have become prized possessions among diamond collectors and jewelry designers.


Old mine cut diamonds are a very unique and precious diamond cutting method that gives them a unique appearance, more light diffusion, preciousness and rarity. Although they are expensive and take a long time to cut, they have a wide range of applications in collecting and jewelry design.