500g / 0.01g On Balance ENVY Digital Mini Scale Capacity_Over 2000g CVD/ HPHT are two are

CVD/ HPHT are two are methods of growing diamond = synthetic

So knowing if a gemstone is singly or doubly refractive is diagnostic

The picture shows a large synthetic ruby

A synthetic-diamond tester is for the experienced jeweller and professional diamond dealer

the other onto the watch

500g / 0.01g On Balance ENVY Digital Mini Scale Capacity_Over 2000g CVD/ HPHT are two areSummary ON BALANCE Pocket size (if you have a very large pocket). Slimline, weighs down to 0. 01g and up to 500g, i. e. quite high capacity (500g = about 16oz) and extra sensitive (down to 0. 01g). Download instruction manual. To read an article about weighing and weighing machines click here. This weighing machine is not approved for use in trade, it must not be used for buying and selling. For approved scales click here. Features Lightweight, slim