Mettler Toledo JET6001G/A Jewellery Balance Bergeon 4915E Antimagnetic The gold test star is

The gold test star is a gauge to determine the carat of unknown

which articulate

tolerances can be under or over stated sizes

An air bubble will always float upward when you move the crystal in various directions unless it is trapped inside the chamber

Bergeon 30180

Mettler Toledo JET6001G/A Jewellery Balance Bergeon 4915E Antimagnetic The gold test star isMettler Toledos balances have the worldwide reputation of being the best in their class. The new JET series brings a new generation of balances with the highest quality, design, durability and above all, weighing accuracy. Simply put, you will not find a better jewellery balance on the market. JET jewellery balances deliver high accuracy for weighing gold, precious metals, diamonds and gemstones whilst smart features simplify daily jewellery weighing