Red Onyx Education

Red Onyx Education

Red Onyx Education: Basics

Red Onyxes are the variety of parallel banded silicate mineral chalcedony. This alternate birthstone of July gets its name from the Greek word of the same spelling which means “fingernail.” Red onyx is also known as Sardonyx because of shades of red. Even before Onyxes were used in jewelry, they were used by Egyptians to make bowls and other pottery items.

Red Onyx Collection

Why We Love Red Onyx


Unique Bands

Red onyxes are characterized by the presence of parallel white bands which makes each piece unique and different in certain ways.


Multiple Color

Onyxes are found in nature with different band colors for you to pick the right one that fits perfect to your personality.


Symbolism & Meaning

Red Onyx thought to bestow good physical strength on the wearer. It is also believed to soothe down stress and nervousness.


Quality Factors



Onyxes are either slightly translucent or fully opaque. The most common red onyxes are a combination of a red base with white upper layer.



Generally, red onyx is free from any inclusions and the most desirable piece should have a well-polished and reflective surface.



Onyxes can be cut into all the standard shapes available. The presence of attractive bands of color encourages the cutters to carve them into cameos and glossy cabochons.



Red onyx can be cut into sizes of different carat weights depending on size of the rough found in nature generally the primary driver of the price.



How is an Red Onyx formed?
  • The formation of Red Onyx takes place by the deposition of silica in gas cavities in lava, the result of which is the distinctive bands or stripes observed in the gemstone.
  • The formation gives rise to different shades such as red, orange and brown.
What is difference between lab grown and natural Red Onyxes?
  • Like most of the gemstones, there is an option to choose between natural and lab-created Red onyxes.
  • One must not confuse “lab grown” with the “fake”. While synthetic is a replica the lab grown is developed in a controlled lab environment.
Where do Red Onyxes come from?

Onyx are found at scattered locations all over the world such as Uruguay, bordering regions of Brazil, Afghanistan, India, Madagascar, Peru and the US. Also, California and Mexico remained a major source for onyxes.

How to take care of Red Onyx Ring?

Red Onyx Ring is quite easy to clean due to their hardness and durability. However, a few things must be kept in mind like avoiding contact of the gemstone with make-up, harsh chemicals, abrasives.

While cleaning the ring make use of lukewarm water and mild cleaning detergent. Soft toothbrush can be used to clean the underside of the Red Onyx.Also, the ring must be individually kept to avoid contact with other jewelry to avoid unnecessary scratches. 

What is a Red Onyx certification?

The most common Red Onyx Certifications includes from GIA, IGL and HRD labs. It is usually a document you receive on the behalf of the aforementioned 3rd party labs which describes an Red Onyx in all of its characteristics. Each and every party’s defining grounds may defer.

How much does a 1 Carat Red Onyx cost?

One carat of Red Onyx can fetch average price per carat falling in the range from $1 to $500.


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