UV torch 3W zoom More sophisticated diamond gauges tests for 17 common groups

tests for 17 common groups of gemstones (about 40 varieties)

"CVD / HPHT / Type IIa Diamond" there is a good chance it's synthetic but this is not guaranteed

10X20 by Quicktest

find out what your item is made of

If you want one that is the most powerful without going over-the-top

UV torch 3W zoom More sophisticated diamond gauges tests for 17 common groupsSummary The most versatile, zoom in (fine beam, very bright) for distant objects, e. g. in a museum or for use in bright light; zoom out (wide beam, not as bright) for wide area scanning of stock, banknotes beads etc. Takes three AAA batteries, included. Read all about how UV light works and what it will detect (fascinating article!) See photos of what you will see with this (and all the other) UV lights. Technical Size: 95mm long X 18mm dia, (3 X