Discovered and mined only in Tanzania since 1967, tanzanite quickly became admired and popular for the unique combination of its vivid purplish-blue color and high transparency.
The demand will probably surpass the supply in the future.
Color: blue with overtones of purple.
Tone: very light to very dark. Larger stones tend to a deeper rich color while smaller stones have lighter tones, displaying a lavender color.
Transparency: transparent – very dark colors in larger stones can reduce visual transparency.
Treatment: all tanzanites are heated to permanently display the violet-blue color.
Certification: Amsterdam Sauer offers a unique Tanzanite Certificate.
Click here to see the Amsterdam Sauer Tanzanite Selection