Jewellery ring ISO 8653 dimensions

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All sizes listed on Wikipedia.Each ring is named with the inner diameter (D) and inner circumference (C) in millimeters. According to the article, the reference numbers for ring sizes should be consistent with both US and ISO (EU) standards.All rings are 3mm thick and 3mm tall. #####Question:Does ISO 8653 determine height or thickness?Answered by ChatGPT-4, 2024-04-29:"ISO 8653 specifies the sizes and definitions for rings and the associated jewelry sizes. This standard primarily addresses the inner circumference and the inner diameter of rings. It does not specify height or thickness for rings, which are often determined by the style, material, and specific design preferences of the jewelry maker. Height and thickness can vary widely depending on the type of ring and its intended use, such as engagement rings, decorative rings, or functional bands. If you're designing or manufacturing rings and need specific guidance on dimensions like height or thickness, these would typically be based on industry standards specific to the type of ring or customer specifications."#####Ring size Wikipedia article:https://en.wikipedia.org/wiki/Ring_size#Equivalency_tableSee Jewellery ring ISO 8653 gauge tools for gauge tools.