Login

Under ¥5,000

Sort by
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 1 green opal from Amazon《Discount available for multiple purchases》

1 green opal from Amazon《Discount available for multiple purchases》

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 ピンクアメジスト1石（チェッカーボードカット,約10ct,14×14mm）

1 stone pink amethyst (checkerboard cut, approx. 10ct, 14 x 14mm)《Discount available for multiple purchases》

Sold out 【宝石商の道具】ダイヤルゲージ （ルースやビーズの計測）・ルース（ピラミッドカット）セット

[Jeweler's Tools] Dial Gauge (Measuring Loose and Beads) Loose (Pyramid Cut) Set

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：ホワイトラブラドライト）

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

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 アパタイト1石ルース（ブリオレットカット,約4×5mm）

Apatite 1 stone loose (briolette cut, approx. 4 x 5 mm)《Multiple purchase discount available》

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：フローライト・アパタイト2石セット）

Let's try gem polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite/apatite 2 stone set)

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 1 sky blue topaz stone (10mm, flower cut)《Discount available for multiple purchases》

1 sky blue topaz stone (10mm, flower cut)《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 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：アンデシン）

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

Sold out Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Andesine Labradorite from Madagascar)

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Andesine Labradorite from Madagascar)

Sold out スターサファイア 0.32ctルース

Blue Star Sapphire 0.32ct loose

Sold out Fire Opal (Common Opal) 2 stone set《Discount available for multiple purchases》

Fire Opal (Common Opal) 2 stone set《Discount available for multiple purchases》

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 Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite 2 stone set)

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite 2 stone set)
Sold out Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for beginners: green apatite)

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for beginners: green apatite)
Sold out Purple Chalcedony 1 stone《Discount available for multiple purchases》

Purple Chalcedony 1 stone《Discount available for multiple purchases》

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》

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：アンデシン）

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for intermediate users: iolite rough stone)
Sold out Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for advanced users: rough spinel from Mozambique)

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for advanced users: rough spinel from Mozambique)

Sold out Ametrine 1 stone (approximately 60~70ct)《Discount available for multiple purchases》

Ametrine 1 stone (approximately 60~70ct)《Discount available for multiple purchases》

Sold out Hackmanite 1 stone (purple)

Hackmanite 1 stone (purple)

Sold out 【お子様限定】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」（フローライト・宝石アイシングクッキー付き）

[For kids] Let's try gem polishing "Do-it-yourself rough stone polishing set" (includes fluorite and gemstone icing cookies) *Subject to gemstone polishing contest*

Sold out Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》

Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》

Sold out Synthetic alexandrite 1 stone (round, mele size)《Discount available for multiple purchases》

Synthetic alexandrite 1 stone (round, mele size)《Discount available for multiple purchases》

Sold out Lavender Quartz 1 stone (Scorollite) 3ct 1 stone《Multiple purchase discount available》

Lavender Quartz 1 stone (Scorollite) 3ct 1 stone《Multiple purchase discount available》

Sold out Cobalt Garnite 1 stone (discount available for multiple purchases)

Cobalt Garnite 1 stone (discount available for multiple purchases)

Sold out 【宝石商の道具】加熱処理のエチオピア産オパール 1石（ブラックオパールとの見分けシート付） - カラッツSTORE

1 heat-treated Ethiopian opal (includes a sheet to distinguish it from black opal)

Sold out Rhodolite garnet (octagonal cut) 1ct 1 stone

Rhodolite garnet (octagonal cut) 1ct 1 stone

Sold out 【売り切れ】カラッツオリジナル鑑別書用アルバム・ルース1個[ケン氏カットのレアストーン] - KARATZ STORE｜カラッツSTORE

[Final Sale] [Jeweler's Tools] Karatz Original Album Loose 1 Piece [KEN Cut 1 Stone]

Sold out マルチカラートルマリン 1石（オクタゴナルカット,八角形,5mm） - KARATZ STORE｜カラッツSTORE

Multi-colored tourmaline 1 stone (octagonal cut, octagonal, 5mm)《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'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.