Set of sample diamond simulants Consumables A 150mm diameter lens will

A 150mm diameter lens will give a magnification somewhere between about 1

battery indicator

You’ve been looking at other brands and models

this gives you a choice of 30 different magnifications / working distances

Takes three AAA batteries

Set of sample diamond simulants Consumables A 150mm diameter lens willDetails This is a set of 'difficult' stones that are confused with diamond, not so much because they look like diamond to a jewellery expert, but because they are hard to measure on electronic testers, you need to see exactly what reading your particular tester gives on each of: Y. A. G G. G. G Synthetic sapphire Synthetic spinel Zircon Strontium titanate Cubic zirconia and then you can see how that reading matches your unknown stone Each stone rests