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Sold out 【KEN氏】アパタイト 0.721ctルース

Apatite 0.721ct loose stone

Sold out Dragon Garnet 1 stone (3.0mm, round cut)《Discount available for multiple purchases》

Dragon Garnet 1 stone (3.0mm, round cut)《Discount available for multiple purchases》
Sold out Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)

Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)

Sold out Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Sold out 1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

Sold out パキスタン産オイルインクォーツ 0.629ct原石（双子・気泡が動くタイプ）

Oil-in-quartz 0.629ct rough stone from Pakistan (twins, moving bubble type)

Sold out 【5/20 22時販売】ユーパーライト 1石 （平均35ct）原石《複数購入割引有》 - カラッツSTORE

Euparite 1 stone (average 35ct) raw stone (discount available for multiple purchases)

Sold out アイスブルーカラーの合成モアッサナイト1石ルース（5mm,アイスブルー）

Ice blue color synthetic moissanite 1 stone loose (5mm, ice blue)《Multiple purchase discount available》

Sold out 1 Brazilian Euclase rough stone (discount available for multiple purchases)

1 Brazilian Euclase rough stone (discount available for multiple purchases)

Sold out カラーチェンジアンデシン1石（5×3mm,オーバルカット）《複数購入割引有》

Color change Andesine 1 stone (5 x 3mm, oval cut)《Discount available for multiple purchases》

Sold out Dragon Garnet x 1 (3.5mm, round cut) {Multiple purchase discount available}

Dragon Garnet x 1 (3.5mm, round cut) {Multiple purchase discount available}

Sold out Yuichiro Abe goods set [clutch bag & acrylic key chain]

Yuichiro Abe goods set [clutch bag & acrylic key chain]

Sold out Only 3 left! Yuichiro Abe Goods Set [Tote Bag & Coaster]

Only 3 left! Yuichiro Abe Goods Set [Tote Bag & Coaster]

Sold out Yuichiro Abe goods set [Kids T-shirt 130cm, notebook and coaster]

Yuichiro Abe goods set [Kids T-shirt 130cm, notebook and coaster]

Sold out Yuichiro Abe goods set [sticker & waterproof smartphone case]

Yuichiro Abe goods set [sticker & waterproof smartphone case]

Sold out Yuichiro Abe goods set [gadget case & compact mirror]

Yuichiro Abe goods set [gadget case & compact mirror]

Sold out Yuichiro Abe Goods Set [Mug & Compact Mirror]

Yuichiro Abe Goods Set [Mug & Compact Mirror]

Sold out 1 stone of Hokkaido rhodochrosite (5 x 3 mm, pear-shaped cut)《Discount available for multiple purchases》

1 stone of Hokkaido rhodochrosite (5 x 3 mm, pear-shaped cut)《Discount available for multiple purchases》

Sold out ライモナイトインクォーツ（オーロラクォーツ） 1石 ルース

Lymonite in Quartz (Aurora Quartz) 1 stone loose

Sold out Yuichiro Abe goods set [notes & coasters & postcards]

Yuichiro Abe goods set [notes & coasters & postcards]

Sold out オパール0.584ctルース

Opal 0.584ct loose

Sold out バンカチャサファイア（スターサファイア） 0.720ctルース

Bancacha sapphire (star sapphire) 0.720ct loose

Sold out 宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（初心者向け：ネオンブルーアパタイト）

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for beginners: neon blue apatite)

Sold out Let's try the gem mining experience "Do-it-yourself gem excavation experience set" 《7 types of gems》

Let's try the gem mining experience "Do-it-yourself gem excavation experience set" 《7 types of gems》

Sold out ブラックダイヤモンド 3.7mm/0.200ctルース（ローズカット）

Black diamond 3.7mm/0.200ct loose (rose cut)

Sold out Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Illusion Sunstone)

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Illusion Sunstone)
Sold out ローズクォーツ1石ルース（バフトップ,10×8mm or 12×10mm）

Rose quartz 1 stone loose (buff top, 10×8mm or 12×10mm)《Multiple purchase discount available》

Sold out 北海道産ロードクロサイト1石ルース（6×4,オーバル）

1 stone loose rhodochrosite from Hokkaido (6×4, oval)

Sold out 宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（中級者向け：ラブラドライト）

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for intermediate users: labradorite)

Sold out 【猫カット】ムーンストーン（6mm） - カラッツSTORE

[Cat cut] Moonstone (6mm)《Multiple purchase discount available》

Sold out 【猫カット】プレーナイト（6mm） - カラッツSTORE

[Cat cut] Play night (6mm)

Sold out ジョウハチドーライト 0.049ctルース

Johachi Dolite 0.049ct loose

Sold out ジョウハチドーライト 0.042ctルース

Johachi Dolite 0.042ct loose

Sold out クリソベリルキャッツアイ 1石（2月新誕生石）

Chrysoberyl Cat's Eye 1 stone (February new birthstone)

Sold out ペリステライト 0.690ctルース 日独鑑

Peristerite 0.690ct loose Japanese-German book

Sold out グランディディエライト原石 1石

1 stone grandidierite rough stone from Madagascar《Multiple purchase discount available》

Sold out Blue moonstone (pyramid cut, 5 x 5 mm, 4 x 4 mm) 2 stone set《Discount available for multiple purchases》

Blue moonstone (pyramid cut, 5 x 5 mm, 4 x 4 mm) 2 stone set《Discount available for multiple purchases》

Sold out Swiss blue topaz 1 stone (9.5 x 8mm, special cut)《Multiple purchase discount available》

Swiss blue topaz 1 stone (9.5 x 8mm, special cut)《Multiple purchase discount available》

Sold out Swiss Blue Topaz 1 stone (10 x 8mm, special cut)《Discount available for multiple purchases》

Swiss Blue Topaz 1 stone (10 x 8mm, special cut)《Discount available for multiple purchases》

Sold out 1 stone peridot (pyramid cut, 5mm)《Multiple purchase discount available》

1 stone peridot (pyramid cut, 5mm)《Multiple purchase discount available》

Sold out 1 Ethiopian Opal (Baroque)《Discount available for multiple purchases》

1 Ethiopian Opal (Baroque)《Discount available for multiple purchases》

Sold out スターサファイア 0.32ctルース

Blue Star Sapphire 0.32ct loose

Sold out 【12522527掲載】デンドリティックアゲート 9.940ctルース

Dendritic Agate 9.940ct loose

Sold out 【12522526掲載】デンドリティックアゲート 12.080ctルース

Dendritic Agate 12.080ct loose

Sold out 【大人用】宝石磨きに挑戦してみよう「自分で出来る原石磨きセット」（初心者向け：バイカラーフローライト）・ボルダーオパール付※原石磨きコンテスト対象 ※

[For adults] Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for beginners: bicolor fluorite) with boulder opal *Subject to the rough stone polishing contest*

Sold out Ametrine 1 stone (approximately 40~50ct)

Ametrine 1 stone (approximately 40~50ct)

Sold out アイオライト原石・ルース 2石セット - カラッツSTORE

Iolite rough stone/loose 2 stone set《Multiple purchase discount available》

KARATZ Custom Made

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.

KARATZ・Five Commitments

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の取り組みと社会貢献

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.