Metal Type: Rhodium Plated Sterling Silver Stone Type: Cubic Zirconia . CZ , a man made stone, is very durable with a 8.5 on the hardness scale and offers brilliant sparkle for every day wear. Dimensions: Round Stud: .35" x .35" x .19" Square Stud: .32" x .32" x .16" Lesa Michele Jewels is made with the modern woman in mind. It is where trend driven fashion meets classic elegance . Beautiful Gift Packaging Included: Each purchase comes with classic jewelry packaging which adds the perfect touch of elegance for gifting or self storage.