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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 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 Red spinel rough stone 1 stone (raspberry color)《Discount available for multiple purchases》

Red spinel rough stone 1 stone (raspberry color)《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》

Sold out アメジスト（12ctUP,チェッカーボード×トリリアント） - KARATZ STORE｜カラッツSTORE

Amethyst (12ctUP, checkerboard x trilliant, February birthstone)《Multiple purchase discount available》

Sold out バロックオパール 2石 - KARATZ STORE｜カラッツSTORE

Baroque Opal 2 stones《Discount available for multiple purchases》

Sold out カーネリアン 1石 （11×9mm,約3.4ct） - KARATZ STORE｜カラッツSTORE

Carnelian 1 stone (11×9mm, approx. 3.4ct)

Sold out クリノゾイサイト 1石 - KARATZ STORE｜カラッツSTORE

clinozoisite 1 stone

Sold out スフェーン 色違い2石 - KARATZ STORE｜カラッツSTORE

Sphene 2 stones in different colors

Sold out クリノゾイサイト 1石 （ピクセルカット） - KARATZ STORE｜カラッツSTORE

Clinozoisite 1 stone (pixel cut)

Sold out プレーナイト 2.633ctルース - KARATZ STORE｜カラッツSTORE

Prehnite 2.633ct loose

Sold out サファイア 2.872ct原石 - KARATZ STORE｜カラッツSTORE

Sapphire 2.872ct rough stone

Synthetic Blue Moissanite 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available}

Synthetic Blue Moissanite 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available} Sale price¥3,980

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 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.