Specifications: Weight: 0.353 DWT (0.55 grams) Prong Count: 4-prong Earring Back Type Included: Friction Back Included Earring Closure: Friction Post and Back Earring Type: Stud Post Diameter: .03 In Post Length: .37 In Surface Finish: Polished Primary Stone Size: 3 mm Earring Post Type: Friction Primary Stone Count: 2-stone Primary Stone Shape: Round Primary Stone Type: Natural Tourmaline Plating Type: Rhodium-Plated Selling Unit of Measure: PR Earring Dimensions: 3x3 mm Diamond Clarity: N/A Gender: Unisex