Stainless Steel Diamond Gauge Card with Plastic Storage Bag for Jewelers Diamond Buyers,Diamond Carat Size Estimation Tool Ruler, Measure Round Pear Oval Emerald Square Diamonds

Diamond Gauge Stainless Steel Carat Estimation Measuring Card – Quick Mounted Diamond Size Check Tool Have you ever struggled to accurately estimate the carat weight of mounted diamonds while shopping or trading jewelry? Our professional diamond gauge card delivers a fast, straightforward solution for instant diamond carat estimation without complicated devices. This slim stainless steel gem measuring ruler is designed for on-the-go diamond appraisal. Simply lay the gauge flat against any mounted diamond, match your stone to the corresponding shape and diameter cutout, and instantly read the estimated carat weight. No extra calculation needed, perfect for fast in-person diamond evaluations. ✦ Multi-Cut & Full Range Measuring Capacity Our diamond sizing tool covers the most mainstream diamond cuts with complete size coverage: Round Brilliant Diamonds: 0.01ct up to 3.0ct, including 19 different diameter sizes to match tiny accent stones to large center diamonds Pear, Oval, Emerald & Square Shape Diamonds: 0.25ct to 1.0ct, dedicated shaped cutouts for fancy-cut gemstones Equipped with an integrated 0–80mm precision metric ruler for additional jewelry dimension measurement. ✦ High-Quality Corrosion Resistant Stainless Steel Build Made of sturdy polished stainless steel, this diamond gauge card features smooth burr-free cutouts that will not chip or scratch your valuable diamonds and gemstones. The anti-rust metal material withstands frequent daily use, resisting sweat, moisture and oxidation to maintain clear printed size markings for years. ✦ Ultra-Portable Wallet-Sized Design with Storage Case Measuring only 85 x 54 x 0.3 mm/3.347 × 2.126 × 0.012 Inches, this gem gauge matches standard credit card dimensions, easily sliding into wallets, card sleeves, jewelry pouches or pockets. We include a transparent plastic protective storage case to shield the metal gauge from scuffs, dirt and bending during transport. ✦ Wide Application Scenarios This handy diamond carat estimator is an essential accessory for all diamond and jewelry industry users: ✅ Professional jewelers & jewelry store staff ✅ Gemstone appraisers and jewelry evaluators ✅ Diamond wholesale & retail buyers ✅ Second-hand jewelry resellers ✅ Diamond collectors, hobbyists and personal diamond shoppers Great for trade shows, market visits, in-store consultations and private diamond purchasing trips. ✦ Product Specifications Material: Corrosion Resistant Stainless Steel Card Dimensions: 85 x 54 x 0.3 mm/3.347 × 2.126 × 0.012 Inches Built-in Ruler Range: 0–80 mm/0 – 3.150 Inches Measuring Range: - Round Brilliant Diamonds: 0.01ct – 3.0ct (19 sizes) - Pear / Oval / Emerald / Square Diamonds: 0.25ct – 1.0ct (4 shapes) Included Accessory: Transparent Plastic Protective Card bag ✦ Package Includes 1 x Stainless Steel Diamond Gauge Measuring Card 1 x Clear Plastic Storage bag

• ✦ Instant & Accurate Diamond Carat Estimation Tired of guessing the carat weight of mounted diamonds? Our diamond gauge lets you quickly estimate diamond carat at a glance—just place the tool over your stone and match the cutout shape & size to get an immediate carat reading. Perfect for in-store diamond shopping, jewelry trade, and gem appraisal work.
• ✦ Multi-Shape & Wide Measuring Range This gem measuring card supports multiple popular diamond cuts: Round Brilliant Diamonds: 0.01ct to 3.0ct (19 size holes) Pear, Oval, Emerald & Square Diamonds: 0.25ct to 1.0ct (4 shape cutouts) Built-in 0–80mm metric ruler adds extra measuring functionality for jewelry accessories.
• ✦ Ultra-Portable Credit Card Size Design Compact 85 x 54 x 0.3mm card dimension fits seamlessly into wallets, cardholders, purses or jewelry tool bags. Lightweight and slim enough to carry anywhere for on-the-spot diamond carat checking during business trips, jewelry shopping or trade shows. Comes with a transparent plastic protective case to prevent scratches and loss.
• ✦ Premium Durable Stainless Steel Construction Crafted from solid corrosion-resistant stainless steel, this diamond sizing gauge features smooth polished cutouts that won’t scratch delicate gemstones. Rigid metal structure resists bending, fading and rust for long-term daily use by jewelers, gem collectors and diamond buyers.
• ✦ Must-Have Handy Tool for Diamond Professionals & Enthusiasts A simple yet indispensable jewelry tool for anyone dealing with diamonds: ideal for retail jewelers, gem appraisers, wholesale dealers, second-hand jewelry buyers and diamond hobbyists. Eliminate guesswork and avoid overpaying by quickly verifying mounted diamond carat weight without complex measuring equipment.