1. Olivine is pure in color, uniform in color, and dark green is a good product.
2. There are often many black solids or gas-liquid inclusions in olivine, which will affect the value of olivine. Generally, olivine containing impurities does not need to be a gem grade ring surface. Therefore, pay attention to whether the interior is flawless, and the defective olivine is of low value.
3. Choose olivine with straight edges and perfect cutting rules.
4. Large particle olivine is very rare, semi-finished olivine is mostly below 3CT, 3ct-10ct is very rare, and more than 10ct is very rare.
Tips for buying olivine
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