Accurate Determination of Finger and Ring Sizes

Considerations for Taking Accurate Measurements of a Finger or Ring

Female hand featuring a properly fitted platinum solitaire

Tools to Determine Finger or Ring-Size Measurements

Tools that are used for accurately measuring finger or ring size

Potential Problems and Engineering Features

Avoiding problems by using the right tools and techniques to measure ring and finger size.

Measuring Finger Size

Techniques to Measure Finger Size

Best Practices for Determining Accurate Ring Sizes

Techniques and Tools to Measure Ring Sizes

Standard Rings of Even Width

Tapered Rings

Wide Rings and Bands

Bridal Sets

Convex Interior – Rings or Bands

Rings with Open Space Above the Finger

Special Circumstances

International Ring Size Chart

Another way to measure a ring is to take a measurement of the inside and determine the finger size from a standard chart. The inside of the ring must be perfectly round for this to work.

International Ring Size Chart

Featured Quality Assurance Benchmarks

Evaluate the quality of a platinum ruthenium ring with diamonds in the shank that was sized up using a laser welder. Contains video and illustrations.

Sizing Up: Platinum Ruthenium
Sizing up a platinum ruthenium ring using a laser welder
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    Evaluate the quality of a platinum cobalt ring with no diamonds in the shank that was sized down using a torch. Contains video and illustrations.

    Sizing Down: Platinum Cobalt
    Sizing down a platinum cobalt ring using a torch

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      Evaluate the quality of platinum jewelry that has been worn and then refinished.

      Refinish Worn Platinum Jewelry
      Techniques for refinishing worn platinum jewelry
       

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        Evaluate the quality of the setting of a ring with platinum prongs

        Set a Round in Platinum Prongs
        Setting a round center stone in a ring with platinum prongs

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          Accurate Determination of Finger and Ring Sizes