


















Brazilian Dumortierite in Quartz 0.463ct Loose Stone (Faceted Cut)
Quartz, known as Suisho in Japanese. It is a familiar stone in Japan, but it is also a very diverse and profound stone, with many varieties such as amethyst and citrine. This piece, with its beautiful blue inclusions, is dumortierite in quartz. No two stones have the same pattern, making it a stone that appeals to collectors.
This high-transparency, newly arrived from Tucson, USA, faceted, high-quality Brazilian dumortierite in quartz.
・Type: Loose stone (natural stone)
・Stone name: Dumortierite in Quartz
・Weight: 0.463ct
・Size: 10.4×3.4mm
・Shape: Marquise cut
・Scratches/Chips: S
・Inclusions: ー
・Remarks: ---
・Accessories: KARATZ quality assurance certificate, loose stone case (if it doesn't fit, a clear zippered case)
▷Jewelry processing available
If you would like jewelry processing, please order with your desired setting from the link below.
・【Choose a stone】Simple Order
・【Choose a stone】Semi-Order
※If you would like an image of the stone set in a frame, want to discuss a full custom order, or have any other questions, please feel free to contact us here.
※Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to make the photos show the actual color, there may be slight differences from the actual product due to lighting conditions during photography or your monitor environment. Also, some photos may have been taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12561969
Choose options



![[Restock on June 27th at 10 PM] Authentic Gemstone Encyclopedia 3D Stickers Vol. 1: The Big Five Gems](http://store.karatz.jp/cdn/shop/files/IMG_3658.jpg?v=1781061036&width=3384)

![[Sales start 10 PM on 6/26] Limited to 30 sets: 1 in 10 is a pair of 2 stones - Zambian emerald loose stone (approx. 6x4mm, emerald cut) with deep color. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_aeb10a54-ec73-4ab3-9ab2-40cc227a8bcc.png?v=1782347727&width=3000)
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/2026-06-2516.42.36.png?v=1782373473&width=1280)
![[On Sale June 27, 10 PM JST] "Limited to 10 Stones" Rough Stone Gacha including Paraiba Tourmaline (CuO: 1.7%+ content) and Benitoite (with a bonus Oregon Sunstone) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/52_a5256d7b-e60a-4b76-822d-f33111c60340.png?v=1782353139&width=2268)























![[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)