Gem Stone Filters

J0040 – Jadeite colour filter with 15X power magnifier

Jadeite colour filter with 15X power magnifier with 21mm lens

J0013 – Jadeite Filter supplied with leather pouch

Diamond Filter Jadeite. Filters allow certain colours to pass through the lenses while blocking others for essential gem identification. You can use a jadeite filter to quickly find any stones that are “not like the others.” in a parcel full of assorted stones. Great to sort batches quickly as a primary process before moving on to use secondary sort method.

C0070 – Chelsea supplied with leather pouch

Diamond Filter Chelsea. Filters allow certain colours to pass through the lenses while blocking others for essential gem identification.

R0092 – Ruby Filter supplied with leather pouch

Diamond Filter Ruby. Filters allow certain colours to pass through the lenses while blocking others for essential gem identification.

Testers have been subjected to thorough and extensive laboratory tests, and will generally give a clear and reliable reading of the stone, gemstone, gold or diamonds being tested under proper use. However, you are advised to conduct further supporting tests.. Cape Watch Tools & Jewellery Supplies shall not be responsible for any damage or loss resulting from the use of testers or handbook, and under no circumstances shall we or its manufacturer or any of its subsidiaries, licensors, distributors, reseller, servant and/or agent be liable for any direct or indirect damages, resulting from the use of this tester. Dealing in diamonds and gemstones requires a minimum qualification of which attainable though various  appointed institutions   ( http://www.gemlab.co.za/courses/) 

We sell an extensive range of grading equipment from sorting pads, tweezers & loupes,to measuring gauges, testing equipment like refractometers,gem filters, diamond testers, scales & more!