Ari synthetic-diamond tester by Presidium Magnification_Multi magnification Filter: fitted with a filter

Filter: fitted with a filter to improve ultra violet transmission

001g divisions up to 50g

jpg images stored on the card

Balance (overall): 18

round) and perfectly-cut in proportion

Ari synthetic-diamond tester by Presidium Magnification_Multi magnification Filter: fitted with a filterSummary The Presidium ARI is an essential tool for the experienced jeweller and professional diamond dealer, it is for testing known diamonds, to see if they are natural or synthetic (= lab grown). That means you must first test the stone on a good quality diamond tester first this is not included. If you are not an experienced jeweller or professional diamond dealer: check with a simple (but good quality) diamond tester to make sure you have a