HS sieves

Cost effective sieves for sorting rough and polished diamonds. Sieves are very useful to speed up and optimize stones selection.

The HS series is available in 5 different diameters: 33, 48, 66, 80 and 107 mm and two different plates combination, that is 21 or 42 plates. This set comes with 21 plates, two caps and two half cylinders paired and fits into an elegant double tone blue and black case with strap closure.

The cylinders are built to hold plates inside, to sift gemstones. By overlapping the two half cylinders provided and putting one plate in each, the process will be sped up getting a double measure sifting simultaneously.

This item is 48 mm diameter and is filled with 21 plates: full numbers plates from 0 to 20. Plate holes sizes are expressed in millimeters, accuracy within 10% assuming good make and full cuts.

Plates combination:

0 – 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12 – 13 – 14 – 15 – 16 – 17 – 18 – 19 – 20