Unheated Brazilian Paraiba tourmaline 0.039ct loose stone (CuO: 2.0%, MnO: 2.3%)

Paraiba tourmaline is attractive for its exquisite color, which is different from the blue of the sea or the blue of the sky. In Japan, it is defined as "a blue to green tourmaline containing copper (regardless of origin)." It is a gemstone that enjoys enduring popularity. This is a rare, unheated specimen.

This is a high-quality, unheated Brazilian Paraiba tourmaline with excellent transparency and vibrant colors. It is a Brazilian Paraiba tourmaline with CuO: 2.0% and MnO: 2.3%. It comes with a sorting certificate from the Japan Gem and Precious Metals Association. Since domestic appraisal institutions do not perform unheated inspections, the sorting certificate usually states that the stone has been heated.

Type: Loose (natural stone)
Stone name: Unheated Brazilian Paraiba tourmaline ( Brazilian Paraiba tourmaline )
・Weight: 0.039ct
・Size: 2.7 x 1.7 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 Assurance Certificate, loose stone case (if not, a zippered clear case will be provided)

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


*We strive to make the colors in the photos as close to the actual product as possible, but they may look slightly different from the actual product depending on the lighting conditions during photography and the monitor settings 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: 12552062