American Benitoite 0.165ct loose stone
Sale price¥59,800
![[On sale 10/19 at 10 PM] {Limited to 10 stones} Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/18_261a657f-9dba-46a6-9a8b-1805ad2c5b57.png?v=1760745196&width=4000)
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
Brazilian Amethyst 5.883ct Loose Stone
Sale price¥9,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Pakistani Ludwigite Peridot 0.615ct Loose Stone
Sale price¥7,980
2.472ct loose Larimar from the Dominican Republic
Sale price¥6,980
![[12/17 22:00 Sale] Chinese Cinnabar 0.615ct Loose Stone (Faceted)](http://store.karatz.jp/cdn/shop/files/PA170350_21f0c45b-fce8-4f26-b87d-f5c3def1479a.jpg?v=1760856557&width=4000)
[12/17 22:00 Sale] Chinese Cinnabar 0.615ct Loose Stone (Faceted)
Sale price¥18,800
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail) 0.036ct Loose Stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
2.568ct loose Larimar from the Dominican Republic
Sale price¥8,800
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
Solo (Simple Order Pendant Frame)
Sale price¥55,800
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original random acrylic keychains](http://store.karatz.jp/cdn/shop/files/FIX_-11.jpg?v=1760861228&width=4500)
![[Sales start at 10:00 PM on Friday, October 31st] New anime "Hell Teacher Nube" x KARATZ collaboration original acrylic stand](http://store.karatz.jp/cdn/shop/files/1_4c6c968c-6db5-458f-a891-e73749c1a17a.jpg?v=1760422214&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original glitter tin badges](http://store.karatz.jp/cdn/shop/files/1_24a31620-bd03-4006-98d1-6ef840402ca0.jpg?v=1760421857&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original clear postcard set](http://store.karatz.jp/cdn/shop/files/428aad1349d1b6062359ea69c02bc6d8_6a1b25e9-611b-4c68-9588-eedff19a7429.jpg?v=1760420792&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original sticker set](http://store.karatz.jp/cdn/shop/files/16d74c3394e651e16b3426ed000fc68d.jpg?v=1760420285&width=4500)
![Limited to 15 stones: One loose, unheated silky pink sapphire from Vietnam (2.5mm, round cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010261_a395415b-ed3a-4054-93e9-3ef1eec4d810.jpg?v=1757670251&width=4000)
![Limited to 14 stones: One loose Mozambique hot pink sapphire (pear-shaped, approximately 4 x 3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010380_b8f4e8df-e135-458b-8f10-fc4f411d34e2.jpg?v=1760236878&width=4000)
![Only one left! Brazilian dendritic quartz kitten cut loose stone (for beginners) (5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_bee5ee11-c26d-47e0-9e94-2c270bbdf768.png?v=1760169992&width=2250)
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
American Benitoite 0.175ct Loose Stone
Sale price¥128,000
![Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010795_07720c8f-f8df-4c94-9f93-deb3d7382fb6.jpg?v=1760090374&width=4000)
Tanzanian Peristerite 5.1mm/0.503ct Loose Stone (Rose Cut)
Sale price¥9,800
Tanzanian Peristerite 5.1mm/0.458ct Loose Stone (Rose Cut)
Sale price¥9,800
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
Australian Prehnite 1.758ct loose stone
Sale price¥9,800
Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Chinese Cinnabar 1.358ct Loose Stone with Certificate of Authenticity
Sale price¥22,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.075ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.073ct Loose Stone
Sale price¥14,800
Russian Alexandrite 0.088ct loose stone
Sale price¥59,800
Russian Alexandrite 0.058ct loose stone
Sale price¥49,800
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.