Sapphire

How Much and What Type of Inclusions does a GRS Certified 4 to 5 carat Unheated & Heated Vivid Blue Royal Blue Sri Lanka Sapphire have? [Video]

In the video above, I compared the prices between one unheated (100% natural) and two heated GRS certified 4 to 5 carat, Vivid ‘Royal Blue’ Sri Lankan Sapphire. All three sapphires are 4 to 5

How Much and What Type of Inclusions does a GRS Certified 4 to 5 carat Unheated & Heated Vivid Blue Royal Blue Sri Lanka Sapphire have? [Video] Learn More »

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

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