Metal: 18k Gold Plated on BrassGemstone: AmazoniteDimensions: Gemstones approx 5 mm x 7.5 mmWeight: 3.9g S/MChain Length: 7.2inch, adjustable from 6.2inch to 7.2inchM/LChain Length: 8.4inch, adjustable from 7.4inch to 8.4inch This piece has a beautiful irregularly shaped gemstone that is natural, making each stone completely unique. Therefore it may look slightly different from the images with slight variations in its shape and size. Product Code: ZU-G-B1-AMZ