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Plastic MeasureMate® Gauge is ideal for measuring diamonds, ring sizes and more. Measures up to 2" or 50mm. Includes table for converting millimeter sizes to rough carat weights and scale for approximating ring sizes. Comes complete with neck strap and fact card that details relationships between diamond shapes, sizes and weights.

MeasureMate® Fact Card Set consists of ten durable plastic double-sided fact cards packaged in a flip-through wallet. Provides information on gemstone grades, shapes, sizes and weights; setting methods; ring, wire gauge and watch battery sizes; hardness scales; metal properties; and more. Fits in shirt pocket for easy access.
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