Adjustable Silver Plated Electric Blue Druzy Agate Gemstone Cocktail Ring. Adjustable rhodium-plated silvertone brass cocktail-style ring with hammered band. This blue druzy ring features a hand-cut freeform druzy agate gemstone with an electroplated finish that gives it a vivid electric blue color. The druzy stone size can vary from 24mm x 18mm to 27mm x 21mm. Because this is a handcut free-form natural gemstone, the size, shape and color will vary. The blue druzy stone is held securely by four prongs. The smallest adjustable ring size is approximately 8.5. Comes gift boxed, with our lifetime warranty.