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
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
Size range
15 spc – 1,50 ct
Shape
Round
Quality
1 quality
Applications
Wire drawing, shaping
Source
South-Africa
Color
Brown
Round shapes
Size range
30 spc – 1,00 ct
Shape
Round
Quality
I & II
Applications
Hardness testing, gauge tooling & applications
Source
Mixed
Color
Brown
Flat shapes
Size range
4 spc – 1,00 ct
Shape
Flat
Quality
I & II
Applications
Precision cutting, grinding and polishing.
Source
Mixed
Color
Brown
Sawn
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
Size range
20 spc – 2,00 ct
Shape
Triangular
Quality
I & II
Applications
Industrial grinding and cutting
Source
South-Africa
Color
Yellow / Brown
Flats
Size range
4 spc – 1,00 ct
Shape
Flat
Quality
1 quality
Applications
Precision cutting & grinding
Source
South-Africa
Color
Brown
Cubes
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
Size range
200 spc to 2,00 ct
Shape
Rounded
Quality
Polished & unpolished
Applications
Drilling / Mining, Rotary dressing
Color
Grey, Green
Natural drills
Size range
60 spc – 0,50 ct
Shape
Rounded
Quality
I & II
Source
South-Africa, Canada
Color
Brown
Natural elongated
Size range
10 spc – 1,00 ct
Shape
Long eggshape
Quality
1 quality
Source
South-Africa
Color
Brown
Processed elongated
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
Size range
60 spc – 6 spc
Quality
1 quality
Applications
Molding & shaping
Source
South-Africa, Canada
Color
Brown, Grey