Diamond gauge, acrylic sheet
Quicktest
£7.5
Details Measures 46 sizes of round diamonds. Marked in points and carats (1 point to 5 carat) and millimetres (1.25mm to 11.5mm). Use circles to measure the top (table) of the diamond; use the sideways-on cutouts to measure loose stones from top to bottom (table to cullet). The gauge itself measures 225 X 95mm (8.5 X 3.75 inches).
Quicktest's own words, read from their page.
Buy from QUICKTEST LIMITEDQUICKTEST LIMITED is a UK retailer, not the maker. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.












