Jewelry Education Hub

Learn about stones designed for lasting sparkle and elegance.

Sparkling blue gem in metal grip

5A CZs and Lab-Grown Sapphires

11/14/2025
Fenna offers luxurious jewelry within reach—so your budget does not have to be depleted to enjoy stylish good looks. One of our key accents to our collections is called 5A CZ—or cubic zirconia. This sparkling, man-made gem is nearly as...
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Luxurious blue stone jewelry piece

Lab-Created Sapphire

11/14/2025
With all the publicity lately about lab diamonds, you may be wondering what is a lab sapphire-and is it something you want to collect? Sometimes referred to as a lab-grown sapphire, this elegant stone is featured in many a sophisticated...
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