Materials: Natural stone/Gem-quality Tanzanite: 9mm Wire: 14kgf Necklace chain: 14kgf, 45cm Round ring: 14kgf *Please be aware if you have allergies. *Please refrain from purchasing if you are concerned about inclusions or chips unique to natural stones. *Each item will be carefully packaged and delivered to our customers. *Please note that the color and shape may differ slightly due to camera effects.