The K & B-Style Diamond and Stone Gauge is a gem of a tool for anyone handling jewelry. It’s designed to measure loose stones and settings, covering a range from 0.03 to 4 carats, plus millimeter sizes from 2 to 11 mm. Compact and practical, this gauge makes sizing quick and accurate, whether you’re dealing with tiny diamonds or larger gems.

Built from tempered aluminum, the K & B-Style Diamond and Stone Gauge is both sturdy and lightweight. It features a row of calibrated holes—just drop a stone through, and you’ve got its size nailed down. For settings, there’s a revolving gauge inside that spins to give you the exact measurement. The red numerals on a silver background stand out clearly, so there’s no squinting or second-guessing. Flip it over, and you’ll find a birthstone chart etched on the back—a neat little bonus for quick reference.

This gauge shines in its simplicity and reliability. The holes are perfectly sized for standard measurements, and the revolving mechanism handles mounted stones without a hitch. At about 3-5/8″ by 2-3/4″, it slips into a pocket or drawer with ease, making it a go-to for busy workspaces. Weighing just 1-2 ounces, it’s light enough to carry anywhere but tough enough to last through years of use.

The K & B-Style Diamond and Stone Gauge is all about getting the job done right. It’s a favorite for its no-nonsense design—nothing fancy, just solid performance. Whether paired with jewelry burs or used solo, it delivers consistent results that save time and hassle. For anyone who needs to measure diamonds or gemstones down to the millimeter or point, this tool has it covered. It’s straightforward, dependable, and ready to help you keep every stone in check. Add it to your lineup, and see how it simplifies the details that matter most in jewelry work.