Handmade Gemstone Ankle Bracelets using Semi-precious Gemstones, Sterling Silver, 14K Gold-fill or plated findings, by Opal Inspirations - How To Select Correct Size Ankle Bracelets: Determine where on your ankle you would like your ankle bracelet to sit. Using a tape measure, measure your ankle at this point. Now add about 1/2" and this should be your correct measurement.