Gemstone - Tanzanite - Heated, Pink Sapphire - Dyed Metal - 925 Sterling Silver Stone Size - 5 x 5, 1.50 x 1.50 mm, Product Weight - 1.71 gm ".925" sterling silver quality stamp Distinctive and captivating qualities of natural stones is that each piece has subtle variation, with unique colors and patterns. As a result, the gemstone in your jewelry may be slightly different from the piece in the picture.