Naturals

The SPR team brings over 50 years of expertise in natural industrial diamond selection. A careful process of handselection ensures that each diamond meets the highest quality standards. This dedication to precision and excellence reflects SPR’s deep-rooted knowledge and understanding of the industry.

Dressers

Natural diamond dressers play a crucial role in precision grinding and dressing of abrasive wheels, ensuring optimal performance and efficiency. Essential across industries like automotive and aerospace, these tools are vital for maintaining the sharpness, accuracy and lifespan of grinding equipment. Our dressers come in 4 main qualities: Dressers I (5-6 points), Dressers II (3-4 points), Dressers III (2points), Dressers IV (1 point).
Size range

20 spc – 3,00 ct

Shape

Octahedron, Dodecahedron

Quality

4 qualities

Applications

Dressing, Blade tools and Shaping

Source

South-Africa, Canada, Australia

Color

Brown

Dies

Natural diamond dies are essential in wire drawing processes, making them a key component in industries such as electronics, telecommunications, and automotive. Renowned for their exceptional precision, these dies produce high-quality wire products with consistent accuracy.
Size range

15 spc – 1,50 ct

Shape

Round

Quality

1 quality

Applications

Wire drawing, shaping

Source

South-Africa

Color

Brown

Round shapes

Round shapes are vital in precision machining, drilling, and cutting applications, serving industries like aerospace, automotive, and medical devices. Their exceptional hardness and precision make them indispensable for achieving the high accuracy and durability required in these industries. These tools enhance manufacturing efficiency and ensure superior quality.
Size range

30 spc – 1,00 ct

Shape

Round

Quality

I & II

Applications

Hardness testing, gauge tooling & applications

Source

Mixed

Color

Brown

Flat shapes

Flat shapes are indispensable in precision cutting, grinding, and polishing applications across industries like electronics, optics, and jewelry. Their remarkable durability and precision make them essential for achieving high-quality finishes and intricate detailing. These tools not only enhance manufacturing efficiency but also ensure superior product quality.
Size range

4 spc – 1,00 ct

Shape

Flat

Quality

I & II

Applications

Precision cutting, grinding and polishing.

Source

Mixed

Color

Brown

Sawn

Natural sawn diamonds (2-point or 4-point) are crucial in precision cutting and grinding tools used across electronics, automotive, and aerospace industries. Their exceptional sharpness and durability ensure high accuracy and efficiency in manufacturing processes, enabling precise shaping and finishing of critical components.
Size range

4 spc – 0,75 ct

Shape

2 point or 4 point

Quality

I & II for both shapes

Applications

Precision cutting & grinding

Source

South-Africa

Color

Brown

Maccles

Maccles are highly valued in industrial applications for their use in grinding and cutting tools across industries like mining, construction, and precision machining. Their unique crystal structure offers exceptional hardness and wear resistance, enhancing cutting precision and significantly prolong tool life.
Size range

20 spc – 2,00 ct

Shape

Triangular

Quality

I & II

Applications

Industrial grinding and cutting

Source

South-Africa

Color

Yellow / Brown

Flats

Flats are highly effective diamonds for precision-based industrial tasks like cutting and grinding. Their stable structure ensures superior control and accuracy, even in high- pressure environments. Ideal for applications that demand stability and consistency, flat diamonds offer a reliable solution for achieving optimal performance in challenging operations.
Size range

4 spc – 1,00 ct

Shape

Flat

Quality

1 quality

Applications

Precision cutting & grinding

Source

South-Africa

Color

Brown

Cubes

Cubes are essential in cutting, grinding and drilling. Their durability and heat dissipation capabilities enable tools to handle tough materials with precision while minimizing wear. These properties also make them ideal for producing wire drawing dies that ensure consistent, high-quality results. Cubes play a crucial role in optimizing manufacturing processes across industries like aerospace, automotive, and mining.
Size range

7 spc – 3,00 ct

Shape

Cubic

Quality

1 quality

Applications

Dressing, grinding & wire drawing

Source

Congo & Canada

Color

Grey, Green

Processed drills

Processed drills provide superior durability and precision, making them a dependable choice for industrial drilling applications. They excel in tough environments, such as mining and construction, where reliability is key. Compared to natural diamonds, processed varieties offer enhanced cost-effectiveness and consistent quality, ensuring predictable performance.
Size range

200 spc to 2,00 ct

Shape

Rounded

Quality

Polished & unpolished

Applications

Drilling / Mining, Rotary dressing

Color

Grey, Green

Natural drills

Natural drills offer exceptional toughness and efficiency, making them indispensable in demanding industrial drilling tasks, like mining and construction. Their inherent strength and resistance to wear ensure longer tool life and consistent performance, reducing downtime and maintenance costs.
Size range

60 spc – 0,50 ct

Shape

Rounded

Quality

I & II

Source

South-Africa, Canada

Color

Brown

Natural elongated

Natural elongated diamonds are prized for their unique structure and exceptional durability, making them ideal for demanding industrial tasks, like cutting, grinding, and drilling hard materials. Their natural crystalline integrity provides superior toughness and resistance to wear, often outperforming synthetic diamonds in select precision-driven operations.
Size range

10 spc – 1,00 ct

Shape

Long eggshape

Quality

1 quality

Source

South-Africa

Color

Brown

Processed elongated

Processed elongated diamonds deliver enhanced durability and precision. Their refined structure ensures superior consistency, making them perfect for cutting, grinding, and drilling tough materials with accuracy. Processed elongated diamonds are highly cost-effective and offer uniform performance, catering to industries that demand efficiency and predictable results.
Size range

120 spc – 6 spc

Shape

Long rod-shaped

Quality

Regular or Extra long

Applications

Cutting, grinding & drilling mixed

Color

Grey, Yellow, Green

Casting

Casting diamonds are an essential component in industrial casting processes. With exceptional heat resistance, these diamonds ensure precise molding and shaping of materials, even in high-temperature environments. Their robust properties enhance efficiency and contribute to the production of high- quality cast products, reducing the risk of defects.
Size range

60 spc – 6 spc

Quality

1 quality

Applications

Molding & shaping

Source

South-Africa, Canada

Color

Brown, Grey