METAL: Crafted in sterling silver, rhodium plated, stamped 925, nickel free. STONE: Set with premium quality 0.4 carat total (1mm) round cubic zirconia in micro pave setting. MEASUREMENT: Chain measures 18 in length. Pendant measures 1 (L), 0.8 (W). Spring ring clasp. FREE BERRICLE gift box included. FREE return within U.S. WARRANTY: Warrants against defects in materials and workmanship for 90 days from the date of purchase. General wear and tear, misuse, accidental damage are not covered. Question? please contact us. This zodiac Gemini pendant necklace is for those born between May 21 to June 20. Cerebral, chatty, loves learning, charming, and adventurous, the Gemini symbol is a pair of twins.