



















Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
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 "blue to green tourmaline containing copper (regardless of origin)." It is a gemstone that has a long history of popularity. CuO: 2.1%, MnO: 1.3%. It comes with a sorting certificate from the Gem and Precious Metals Association of Japan. This Paraiba tourmaline is from the Patalha mine in Brazil, and is characterized by its vivid green color.
Type: Loose (natural stone)
Stone name: Brazilian Paraiba tourmaline ( Paraiba tourmaline )
Weight: 0.177ct
・Size: 3.9 x 3.3 mm
・Shape: Oval cut
・Scratches/chips: S
・Inclusions: A
Note: Heating is usually performed.
*Generally, Paraiba tourmaline is a gemstone that has been heated. However, with current identification technology, it is difficult to distinguish between heated and unheated, so the treatment is described as "Usually heated."
・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 accept jewelry processing.If you would like to have your jewelry processed, please order along with the frame of your choice from the link below.
・[Select by stone] Simple order
・[Select from stones] Semi-custom
*If you would like an image of the stone in the frame, would like to discuss a full order, or have any other concerns or questions, please feel free to contact us here .
*Raw stones are not available. There are also some stones that cannot be handled.
*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: 12550785
Choose options











![[Item 12564323] Burmese Red Spinel 0.188ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9090218_ee69d258-0585-4caa-9353-ea5c12fac61f.jpg?v=1791380684&width=2543)
![[10/4, 10 PM Release] Brazilian Amethyst 8.984ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/PA071484_e0a076f0-9900-4718-8633-aa6968a7fdd1.jpg?v=1791333891&width=3548)
![[Posted on 22602705] [Colorful] K18WG Diamond 0.5ct Pendant Top (Necklace Top)](http://store.karatz.jp/cdn/shop/files/P8060423_d36ce0b8-482c-4635-b50f-e95a3f891029.jpg?v=1791204209&width=3172)
![[Item 22602811] [Coloriful] Pt900 Pink Sapphire 0.42ct Diamond 0.05ct Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9290010_8d07daad-9c48-47b1-819e-7bd3041157ae.jpg?v=1791184198&width=4000)
![[Item 22602804][Colori] K18 0.211ct Diamond & 0.35ct Diamond Pendant (Necklace)](http://store.karatz.jp/cdn/shop/files/P9300701_42bc40f7-cd39-43dc-a9a8-37eca042fbbd.jpg?v=1791184065&width=4000)
![[Lottery Sale_12] [For Winners Only] [Ref: 32501798] Internally Flawless Diamond (H&C) 4.2mm/0.280ct Loose Stone (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/collage_13108166-7420-4e8f-a9ce-36d5a19b5023.png?v=1791123979&width=2000)
![[Lottery Sale ②_202608_04] Unheated Kashmir Sapphire 0.710ct Loose Stone GIA](http://store.karatz.jp/cdn/shop/files/P7227023_4642404f-3f88-40d5-b30d-04cfeec27b64.jpg?v=1791123165&width=3278)



![[12563017 listed] Pink Sapphire 0.143ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9035692_5c10157e-aa71-4093-8774-997e1947ef99.jpg?v=1791103289&width=2693)







![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)

