925 Sterling Silver Blue Simulated Opal Turquoise-Tone Jewish Chai Living Charm Pendant Necklace "Opal Mirror Chai Necklace" by My Daily Styles Material: .925 Sterling Silver Charm Dimensions: 0.80in x 0.55in Chain Length: Adjustable (16.00in - 18.00in) Weight: 3.7 grams All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.