![Limited to 10 stones: Tanzanite rough stone gacha including bicolor pink tanzanite rough stones (average 4.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_5799e77a-97c8-4d6c-b77b-dec5271cc0a0.png?v=1762053625&width=2250)
Additional fee +6,000 yen
Sale price¥6,000
![Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010641_f4c7d555-3bb5-449a-8005-44d9c3c16e9b.jpg?v=1725593703&width=4000)
![[Available at 10 PM on March 8th] [New Arrival in Tucson - Limited to 6 Stones] Brazilian Black Garden Quartz, Average 3.6ct [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/3_2d179769-a808-4247-a8ca-acaebb01add8.png?v=1771629023&width=1080)
![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)
![[Limited to 18 stones] [Mr. KEN] 1 stone loose Andalusite from Spain (Rose cut, 4.0mm) [Multiple purchase discount] [Yuichiro Abe's work motif]](http://store.karatz.jp/cdn/shop/files/collage_cd13e4f3-2d31-4d02-b9d3-66c868acfcc9.jpg?v=1706791241&width=4000)
![[Available at 10 PM on February 13th] Limited to 6 sets: Colombian Reverse Trapiche Emerald & Brazilian Sugarloaf Cut Emerald Set (Multiple purchase discounts available)](http://store.karatz.jp/cdn/shop/files/collage_9197464c-d272-428e-a69d-71268a1b73cf.png?v=1770868124&width=2250)
![[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_89b7e3fa-b766-4144-821d-3cb2934c389d.png?v=1769209815&width=2250)
![Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
![Limited to 4 stones: 1 peridot (Flanders cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010034_c266f18c-8a8f-48c1-8bf0-9b5c098111b7.jpg?v=1754627168&width=4000)
Additional charge for resizing: 7,500 yen
Sale price¥7,500
![[Available at 10 PM on February 2nd] Limited to 10 stones! Takeshi Yamamoto Cut Gemstone Gacha! Fire Flower Cut Rock Crystal and More! Discounts Available for Multiple Purchases!](http://store.karatz.jp/cdn/shop/files/2_6095cbcb-0dd3-4ab7-94b4-b22228432a93.png?v=1772620329&width=2000)
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
Opal 0.123ct loose stone
Sale price¥5,980
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
Additional charge (metal combination) + 7,000 yen
Sale price¥7,000
Additional charge for resizing: 5,250 yen
Sale price¥5,250
Additional charge for resizing: +6,000 yen
Sale price¥6,000
Oregon Sunstone 8.256ct rough stone
Sale price¥9,800
![[On sale March 15th, 10 PM JST] Mozambique Rhodolite Garnet 0.628ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P3132966_46436c19-db26-4b50-b6ff-c40c89733cd3.jpg?v=1773408771&width=2525)
![[On sale March 15th, 10 PM] Brazilian Rose Amethyst 2.626ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3132862_088258ad-f51c-46d6-9b67-b5b7e7ff9e67.jpg?v=1773408772&width=2855)
![[Sale begins March 15 at 10 PM] Brazilian Amethyst Loose Stone 2.975ct](http://store.karatz.jp/cdn/shop/files/P3132630_686076d3-2531-4cec-990c-d8561776629b.jpg?v=1773408772&width=2732)
![[On Sale March 30th at 10 PM] Indian Black Moonstone 0.609ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P3273147_a9efb5dc-991a-4793-bd01-f3f3f7689868.jpg?v=1774742181&width=3396)
![[On Sale 3/11 at 10pm] Brazilian Dumortierite in Quartz 0.699ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3038334_d2b57737-169a-4c58-88c7-addcb3b873d5.jpg?v=1773008980&width=3214)
![[On Sale 3/11 at 10pm] Brazilian Dumortierite in Quartz 0.910ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3038268_012d16cc-1137-4388-ab2c-0b0235733ce9.jpg?v=1773009091&width=4000)
![[On Sale at 10 PM on March 13th] Brazilian Dumortierite in Quartz 0.642ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3038224_7e5d15ee-8592-4d98-a6b2-5aa64b508a77.jpg?v=1773235708&width=3145)
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.