Collections: Optical & mechanical diamond and gem testers
Optical (and mechanical) testers tend to be more 'accurate' than electronic testers, but also more specialist, designed for the gemmologist rather than the hobbyist / scrap dealer / antiques dealer - details.
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Refractometer
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Free gift option
- Regular price
- £195.00
- Sale price
- £195.00
- Regular price
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Refractometer white
![Refractometer white - Photograph 1]()
Free gift option
- Regular price
- £299.50
- Sale price
- £299.50
- Regular price
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- Unit price
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Refractometer fluid
![Refractometer fluid - Photograph 1]()
Free gift option
- Regular price
- £47.50
- Sale price
- £47.50
- Regular price
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- Unit price
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Polariscope, mains-powered.
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Free gift option
- Regular price
- £150.00
- Sale price
- £150.00
- Regular price
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Polariscope, handheld, with built-in light
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Free gift option
- Regular price
- £37.50
- Sale price
- £37.50
- Regular price
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- Unit price
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Spectroscope
![Spectroscope - Photograph 1]()
Free gift option
- Regular price
- £39.00
- Sale price
- £39.00
- Regular price
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- Unit price
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Out of stock -
Light box for small items, e.g. gemstones
![Light box for small items, e.g. gemstones - Photograph 1]()
Free gift option
- Regular price
- £17.50
- Sale price
- £17.50
- Regular price
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- Unit price
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HARDNESS PENCILS X8 (MOE 2 TO 9) + PLATES X3
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Free gift option
- Regular price
- £115.20
- Sale price
- £115.20
- Regular price
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- Unit price
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Hardness Pencils, set of 5
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Free gift option
- Regular price
- £79.50
- Sale price
- £79.50
- Regular price
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Chelsea Filter
![Chelsea Filter - Photograph 1]()
Free gift option
- Regular price
- £29.50
- Sale price
- £29.50
- Regular price
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Set of sample diamond simulants
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- Regular price
- £222.00
- Sale price
- £222.00
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Computerised gemstone gauge (presid PGCG)
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Free gift option
- Regular price
- £359.00
- Sale price
- £359.00
- Regular price
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- Unit price
- per
Out of stock -
Specific Gravity (density) Kit. Small, for testing gemstones
![Specific Gravity Kit (small) for testing gold, gemstones etc]()
Free gift option
- Regular price
- £115.00
- Sale price
- £115.00
- Regular price
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- Unit price
- per
Out of stock -
Scriber / scratch-test for diamonds
![Scriber / scratch-test for diamonds]()
- Regular price
- £9.00
- Sale price
- £9.00
- Regular price
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- Unit price
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Out of stock -
Spectroscope, prism design, full-size.
![Spectroscope, prism design, full-size.]()
Free gift option
- Regular price
- £59.50
- Sale price
- £59.50
- Regular price
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- Unit price
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Out of stock -
Electronic densimeter (density balance, specific gravity), 200g / 0.001g, MD-200S by Mirage
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Free gift option
- Regular price
- £995.00
- Sale price
- £995.00
- Regular price
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£1,250.00 - Unit price
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Out of stock -
Dichroscope, folding
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Free gift option
- Regular price
- £39.50
- Sale price
- £39.50
- Regular price
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- Unit price
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Out of stock -
Dichroscope and "Chelsea Filter", folding
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Free gift option
- Regular price
- £59.50
- Sale price
- £59.50
- Regular price
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- Unit price
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Out of stock -
Diamond and gem gauge, digital (oblong)
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Free gift option
- Regular price
- £55.80
- Sale price
- £55.80
- Regular price
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- Unit price
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Out of stock -
Set of 11 diamond colour-grading stones by Gemoro
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Free gift option
- Regular price
- £239.00
- Sale price
- £239.00
- Regular price
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- Unit price
- per
Out of stock
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