Professional Sizing Ruler with Calibration Marks for Round Oval Square Diamonds Rings Size Measuring Tool for Wedding Jewelry

Professional Sizing Ruler with Calibration Marks for Round Oval Square Diamonds Features: The rings Sizer delivers precise gemstones measurement with three interchangeable acrylic templates ( round / oval / square), ensuring accurate jewelry sizing for engagement rings Featuring calibration marks on scratch acrylic, this lightweight tool maintains measurement consistency across 30+ international rings sizes with ±1mm tolerance Essential for gemologists verifying stone, jewelry makers crafting bespoke pieces, and couples selecting perfectly sized wedding bands during consultations Streamlines workshop production lines, bridal boutique fittings, and gemstones control processes through instantly visual comparisons of carats weights and setting proportions Color coded measurement zones with millimeter / inch scales enable simultaneous evaluations of prong spacing, stone alignment, and metal band thickness for rings / earrings / pendants Specifications: Component: Acrylic Size: Approx.20x0.3x4.8cm / 7.87x0.11x1.89inch Styles: Round / Square / Oval Weight: 30g Package Includes: 1PC Acrylic rings Sizer Tool Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item

• Essential for gemologists verifying stone, jewelry makers crafting bespoke pieces, and couples selecting perfectly sized wedding bands during consultations
• Featuring calibration marks on scratch acrylic, this lightweight tool maintains measurement consistency across 30+ international rings sizes with ±1mm tolerance
• Color coded measurement zones with millimeter / inch scales enable simultaneous evaluations of prong spacing, stone alignment, and metal band thickness for rings / earrings / pendants
• Streamlines workshop production lines, bridal boutique fittings, and gemstones control processes through instantly visual comparisons of carats weights and setting proportions
• The rings Sizer delivers precise gemstones measurement with three interchangeable acrylic templates ( round / oval / square), ensuring accurate jewelry sizing for engagement rings