Unheated Brazilian Paraiba Tourmaline 0.043ct loose stone (CuO: 1.4%, MnO: 4.0%)

Paraiba tourmaline is attractive for its exquisite color, which is different from the blue of the sea and the blue of the sky. In Japan, it is defined as "blue to green tourmaline containing copper (regardless of origin)." It is a gemstone that has a strong popularity. This is a rare unheated one.
This is a high-quality unheated Brazilian Paraiba tourmaline with high transparency and vivid colors. It is a Brazilian Paraiba tourmaline with CuO: 1.4% and MnO: 4.0%. It comes with a sorting certificate from the Japan Gem and Precious Metals Association. Since domestic appraisal agencies do not perform unheated inspections, the sorting certificate usually states that it has been heated.

Type: Loose (natural stone)
Stone name: Unheated Brazilian Paraiba Tourmaline ( Brazilian Paraiba Tourmaline )
Weight: 0.043ct
・Size: 2.7 x 1.9 mm
・Shape: Oval cut
・Scratches/chips: S
Inclusions: A+
Note: No traces of heating were found.
・Accessories: Sorting (Jewelry and Precious Metals Association), Caratz quality guarantee, loose case (if it does not fit, a clear zippered case)

▷For more information about Paraiba Tourmaline
What is Paraiba tourmaline? What are the characteristics and value differences depending on the origin, and what is the selling price?


*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.

*For information on scratches, chips, treatments, and inclusions, please click here .

*For other frequently asked questions, please click here .


karatz_item_id: 12552068