[10/12 22:00 Sale] Brazilian Paraiba Tourmaline 0.052ct Loose Stone
Sale price¥29,800
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
[10/18 22:00 Sale] Australian Boulder Opal 1.457ct Loose
Sale price¥9,800
[10/18 22:00 Sale] Brazilian London Blue Topaz 0.415ct Loose
Sale price¥6,980
[10/17 22:00 Sale] Australian Prehnite 1.758ct Loose Stone
Sale price¥9,800
[10/17 22:00 Sale] Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
[10/17 22:00 Sale] Padparadscha Sapphire 0.251ct Loose Stone Chuhokan
Sale price¥45,800
[10/17 22:00 Sale] Padparadscha Sapphire 0.376ct Loose Stone Chuhokan
Sale price¥55,800
[On Sale at 10pm on 10/21] Brazilian Bicolor Tourmaline 1.449ct Loose
Sale price¥19,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥69,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥65,800
[12552081] Unheated Brazilian Paraiba Tourmaline 0.025ct Loose Stone
Sale price¥29,800
[12552075] Unheated Brazilian Paraiba Tourmaline 0.037ct loose stone
Sale price¥45,800
[12552074] Unheated Brazilian Paraiba Tourmaline 0.042ct Loose Stone
Sale price¥59,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] "London Blue Topaz"](http://store.karatz.jp/cdn/shop/files/a2355d930e69eb70c83aa0cfa4d17082_e078bd80-e8f1-4c34-910c-d2227b929fcd.png?v=1747953944&width=3519)
![[Available at 10 PM on September 21st] Limited to 20 stones. Includes 2 Koshu Kiriko Fire Opals. 1 loose fire opal gacha. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/7_cf8144ee-7ac5-4965-b93c-f9f618bb4cbf.png?v=1758172271&width=1500)
![[On sale from 10/10 at 10 PM] [Limited to 10 stones] Brazilian Bicolor Tourmaline Loose Stone (Baguette Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/14_15be1edf-3bee-4b6c-a802-65c04eb4d4a9.png?v=1759454008&width=1500)
![[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010326.jpg?v=1759127192&width=4000)
![[Option] Paraiba Tourmaline component analysis sorting issuance fee](http://store.karatz.jp/cdn/shop/products/P6062508_58dd99d0-190a-4656-98c6-53c5ff54428e.jpg?v=1680959036&width=4000)
[Option] Paraiba Tourmaline component analysis sorting issuance fee
Sale price¥5,000
![[Available at 10 PM on September 20th] Limited Quantity: Russian Phenakite (Round Cut, 3mm) Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010368_64a67e71-98b7-4df7-91b8-753e69be55e9.jpg?v=1758174998&width=4000)
![[Available on August 31st at 22:00 PM] Limited to 14 sets: Myanmar jadeite 3-color set [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010511_5e5e4da4-d3a6-4544-a408-c0d58f453413.jpg?v=1755050285&width=4000)
![[Available at 10 PM on August 9th] Limited to 4 stones: Peridot (Flanders Cut) x 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010034_c266f18c-8a8f-48c1-8bf0-9b5c098111b7.jpg?v=1754627168&width=4000)
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥18,800
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
![《Limited to 8 stones》 [Mr. Sanjay] Hackmanite or Sodalite 1 stone loose (maximum 3.63 ct)《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/P2010092_173a76f3-d629-443f-bb31-98ab1fccbd1a.jpg?v=1706772810&width=4000)
![[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee](http://store.karatz.jp/cdn/shop/products/f763614f5a2c22bc430c_a6f4f3a6-fd1b-4378-a11f-025dc9964731.jpg?v=1633481198&width=4000)
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.