![[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_057412df-b83f-456f-b7c8-ff5d87550e46.png?v=1743666005&width=4000)
![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 August 2nd] {Limited to 8 sets} Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_f0fdc31d-db26-47b4-87a8-0511945601c1.png?v=1754019019&width=2000)
![[Available at 10 PM on August 2nd] [Limited to 6 stones] Zimbabwean sphene loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010086_def144f4-f8b5-4bfa-82d2-2eff5c37880e.jpg?v=1754018390&width=4000)
![[Available at 10 PM on August 2nd] Limited to 8 stones: Nobu Buff Top x Rose Cut Spinel (1 loose stone) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010018_3aecaf23-d2b3-4a21-9baf-0071f29ca097.jpg?v=1754018301&width=4000)
![[Only one left] Zimbabwean blue apatite, UV type, 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_35e5ad91-84a2-43f3-9184-9cd4d967c201.png?v=1724399039&width=2000)
Spinel 1 stone《Custom cut》《Multiple purchase discount available》
Sale price¥5,980
![[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_1412bfb7-67e6-494f-b7d0-5487fee1572b.png?v=1725539635&width=2000)
![Limited to 10 stones Gem gacha💎 [Mr. Sanje] Tanzanian spinel (1 in 3 will be a red spinel) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_514bc053-4954-47b7-8221-98c1c0bf765d.png?v=1719542058&width=2000)
![《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)
![[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)
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
Conch pearl 0.066ct loose
Sale price¥6,980
Pink star sapphire 0.619ct loose
Sale price¥7,980
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
Additional charge for resizing: 7,500 yen
Sale price¥7,500
Pink tourmaline 0.841ct loose stone
Sale price¥8,800
Tanzanian Golden Sheen Sapphire 0.495ct Loose
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥9,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
[8/13 22:00 Sale] Brazilian Aquamarine 0.255ct Loose Stone
Sale price¥6,980
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.