Birthstone list
![[Available at 10 PM on February 6th] [Sri Lanka Support Set] "Beautiful Moonstone Lucky Bag from a New Mine" - Includes four moonstones from Uva, Sri Lanka, worth ¥10,000 each (worth ¥25,000) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/Gemini_Generated_Image_1j494w1j494w1j49.png?v=1770197315&width=2048)
《残り2セット》【スリランカ支援セット 】 非加熱グラスボディサファイア原石含む 合計3石＜2万円相当以上＞《複数購入割引有》
Sale price¥8,800
![[Available at 10 PM on January 24th] Limited to 18 stones: Golden Hill Turquoise from Kazakhstan (December birthstone, average 1.3 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010004_6f05bf8c-a236-4821-a27e-9bf482c18d4b.jpg?v=1769172009&width=3291)
![[Available at 10 PM on January 30th] Limited to 6 Silky Pink Sapphires from Vietnam (Sanjay Cut, Round, 3.0-3.3mm) Gacha [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_270805e5-06fd-4d44-b9b8-29940a8a5fbd.png?v=1769567078&width=2250)
【2/11 22時販売】《限定5石》カービングガチャ💎グリーンクォーツ、レモンクォーツ、ブルートパーズ《複数購入割引有》
Sale price¥2,980
【2/11 22時販売】《限定14石》奈良県天川村産レインボーガーネット（サンジェ氏のファセットカット）《複数購入割引有》
Sale price¥2,980
【2/8 22時販売】ブラジル産インペリアルトパーズ 4.321ctルース 鑑別書
Sale price¥98,000
【2/8 22時販売】K18PG タイ産ピジョンブラッドルビー 0.38ctリング AIGS
Sale price¥128,000
【2/11 22時販売】ダイヤモンド原石（メイカブル） 0.353ct原石
Sale price¥14,800
【2/11 22時販売】ダイヤモンド原石（メイカブル） 0.279ct原石
Sale price¥9,800
【2/11 22時販売】ダイヤモンド原石（メイカブル） 0.284ct原石
Sale price¥12,800
【2/11 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 5.1mm/0.664ctルース
Sale price¥188,000
【2/10 22時販売】コロンビア産パイライト付きエメラルド 2.380ct原石
Sale price¥39,800
【2/10 22時販売】コロンビア産エメラルド 8.90ct原石
Sale price¥69,800
【2/8 22時販売】オーストラリア産アイアンオパール 17.439ctルース
Sale price¥18,800
【2/8 22時販売】オーストラリア産ボルダーオパール 6.152ctルース
Sale price¥18,800
【2/8 22時販売】ザンビア産バイカラートルマリン 4.142ctルース
Sale price¥98,000
【2/8 22時販売】カナダ産グリーンダイヤモンド原石（ソーヤブル） 0.338ct原石（トライゴン有り）
Sale price¥128,000
【2/8 22時販売】アンゴラ産グリーンダイヤモンド原石（ソーヤブル） 0.528ct原石（トライゴン有り）
Sale price¥198,000
【2/7 22時販売】コロンビア産ノンオイルエメラルド（NONE） 2.8mm/0.070ctルース GIA
Sale price¥128,000
【2/7 22時販売】コロンビア産ノンオイルエメラルド 0.220ctルース GIA
Sale price¥248,000
![[On Sale 2/6 at 10pm] Colombian Oil-Free Emerald 0.510ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P6095155_97466828-4631-4e90-b4ca-7ff6f8853a18.jpg?v=1686868907&width=3464)
[On Sale 2/6 at 10pm] Colombian Oil-Free Emerald 0.510ct Loose GIA
Sale price¥598,000
![[On Sale 2/2 at 10 PM] Colombian Emerald 18.900ct Rough Stone (with Pyrite)](http://store.karatz.jp/cdn/shop/files/PC031771.jpg?v=1765629310&width=4000)
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
![[On Sale 2/1 at 10 PM] Mexican Fire Opal 0.218ct Loose (Faceted)](http://store.karatz.jp/cdn/shop/files/P1221603.jpg?v=1769815878&width=4000)
[On Sale 2/1 at 10 PM] Mexican Fire Opal 0.218ct Loose (Faceted)
Sale price¥18,800
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose](http://store.karatz.jp/cdn/shop/files/P1221749.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.578ct Loose
Sale price¥12,800
![[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose](http://store.karatz.jp/cdn/shop/files/P1221778.jpg?v=1769775708&width=4000)
[On Sale 2/1 at 10pm] Sri Lankan Moonstone 1.487ct Loose
Sale price¥14,800
![[On Sale 2/1 at 10 PM] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.072ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_680eebb7-6cfd-4cb1-a326-e5cd3016dcdd.png?v=1769815878&width=2250)
![[On Sale 2/1 at 10 PM] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.076ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_b4e0c1a6-8477-480e-aa59-56b8a503412a.png?v=1769815879&width=2250)
![[On Sale 2/1 at 10pm] Colombian Emerald 0.451ct Loose](http://store.karatz.jp/cdn/shop/files/P1221450_64cab9a4-a405-4968-87e0-b89f5d5b8b9d.jpg?v=1769775710&width=2538)
[On Sale 2/1 at 10pm] Colombian Emerald 0.451ct Loose
Sale price¥39,800
![[On Sale 2/1 at 10pm] Mexican Fire Opal 0.281ct Loose](http://store.karatz.jp/cdn/shop/files/P1221546.jpg?v=1769816142&width=4000)
[On Sale 2/1 at 10pm] Mexican Fire Opal 0.281ct Loose
Sale price¥15,800
Pink tourmaline 0.656ct loose
Sale price¥7,980
Tourmaline 0.731ct loose
Sale price¥5,980
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥25,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Rubellite 0.549ct loose
Sale price¥19,800
Green tourmaline 2.007ct loose
Sale price¥29,800
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.