The Diamond Estimator Scale Loupe is a professional gemologists tool used for measuring set and unset diamonds to estimate size and weight when doing appraisals. It features 10X magnification and a built in metric scale for precisely measuring stones up to 12mm in length. The scale also has a scale for quick estimating the weight of round diamonds.

The European made 18mm diameter 10X triplet lens is aplanatic and achromatic with an anti-reflection coating to minimize glare and light interference. This precision tool has adjustable focus and a comfortable textured grip.

Includes a padded box and quick reference guide. Made in Taiwan.