Opal

Gemstones, General, Opal, Sapphire

How does ‘Phenomena Effects’ like Adularescence, Asterism, Chatoyancy, Iridescence, Play of Color, and Color Change affect the value of gemstones?

In our previous blog posts, we have discussed how to determine the value of colored gemstones.  In summary, colored gemstones value affected by six factors. Color Carat Weight Clarity Cut Origin Treatment However, certain gemstones actually exhibit different phenomena effects like Adularescence Asterism Chatoyancy Iridescence Play of Color Color Change So, “How do these […]

How does ‘Phenomena Effects’ like Adularescence, Asterism, Chatoyancy, Iridescence, Play of Color, and Color Change affect the value of gemstones? Read →

How to buy an opal - white opal diamond ring rose gold ring
Gemstones, General, Opal

Natural Opal buying guide – How to check and understand difference between different opals?

Opal is one of the most popular phenomena gemstones. They display very unique characteristics like ‘play-of-color’ or different background fire colors. They are quite abundant but also rare as well depending on the quality grades. Different quality has different price levels which we will explain below. How to Buy an Opal – Opal Classification […]

Natural Opal buying guide – How to check and understand difference between different opals? Read →