How the Size of Tanzanite Affects its Value
The bigger the tanzanite gemstone, the more valuable it is. Since large gemstones over 3 carats are exceptionally rare, this adds even more to the price. However, even gemstones less than 1 carat with excellent color and clarity will be worth a lot. In choosing your tanzanite gemstone, you’ll want to choose first on color and clarity, then look for large size afterward.
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| Small: This tanzanite is of good color and clarity but it is quite small (about 1/3 carat). A gemstone like this does have value, but such small stones are not all that rare. A gem this size (without the ring) would be worth under $100. | Large: This tanzanite gemstone is about 3 carats. This is a very large size for tanzanite. It would be worth a few thousand dollars. | Very Large: This tanzanite is over 10 carats. Tanzanites of this size and quality are very rare. A stone like this could cost $35,000. |
