Diamond Estimation Scale Loupe 18mm Triplet 10x

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The New diamond estimation scale loupe by GEMS features a triplet 10x loupe with a 18mm diameter lens that has a built-in linear scale of (12mm/6.5 ct.). In addition, it features a circumference scale for round diamonds (0.5–3.5mm in 0.5mm increments). The lens is European made and it's aplanatic and achromatic and has an anti reflection coating to minimize reflections. Show more