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Items under 10,000 yen

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ブラジル産ホワイトカルセドニー 0.925ctルース

Brazilian White Chalcedony 0.925ct Loose Stone Sale price¥5,980
ブラジル産デンドリティックアゲート 0.629ctルース

Brazilian Dendritic Agate 0.629ct Loose Stone Sale price¥7,980
ブラジル産デンドリティックアゲート 0.735ctルース

Brazilian Dendritic Agate 0.735ct Loose Stone Sale price¥7,980
ブラジル産アパタイト 0.805ctルース

Brazilian Blue Apatite 5.5mm/0.805ct Loose Stone Sale price¥9,800
ブラジル産グリーントルマリン 0.236ctルース

Brazilian Green Tourmaline 0.236ct Loose Stone Sale price¥9,800
スペイン産スファレライト 1.009ctルース

Spanish Sphalerite 5.3mm/1.009ct loose stone Sale price¥6,980
ロンドンブルートパーズ 0.985ctルース

Brazilian London Blue Topaz 0.985ct Loose Sale price¥8,800
ロンドンブルートパーズ 0.966ctルース

Brazilian London Blue Topaz 0.966ct Loose Stone Sale price¥8,800
スカイブルートパーズ 1.256ctルース

Brazilian Sky Blue Topaz 1.256ct Loose Stone Sale price¥8,800
スイスブルートパーズ 1.225ctルース

Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone Sale price¥9,800
ベトナム産アクアマリン 0.319ctルース

Vietnam Aquamarine 4.5mm/0.319ct Loose Stone Sale price¥7,980
ベトナム産アクアマリン 0.577ctルース

Vietnam Aquamarine 5.6mm/0.577ct Loose Stone Sale price¥6,980
ナイジェリア産モルガナイト 0.349ctルース

Nigerian Morganite 0.349ct loose stone Sale price¥8,800
ナイジェリア産モルガナイト 0.381ctルース

Nigerian Morganite 0.381ct loose stone Sale price¥5,980
モルガナイト 0.397ctルース

Nigerian Morganite 0.397ct loose stone Sale price¥5,980
Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.

Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥4,980
Limited to 15 stones: 1 loose Smithsonite stone (average 2 carats) Multiple purchase discounts available

Limited to 15 stones: 1 loose Smithsonite stone (average 2 carats) Multiple purchase discounts available Sale price¥3,980
Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.

Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥5,980
Limited to 7 stones: 1 Tanzanian rhodolite garnet loose stone (polished by American polisher KEN) Multiple purchase discounts available

Limited to 7 stones: 1 Tanzanian rhodolite garnet loose stone (polished by American polisher KEN) Multiple purchase discounts available Sale price¥3,980
Limited to 9 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases.

Limited to 9 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases. Sale price¥3,580
Limited to 17 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases.

Limited to 17 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases. Sale price¥2,580
Limited to 7 stones: 1 loose sphalerite stone from Spain (cabochon cut, 4.8-5.3mm) Multiple purchase discounts available

Limited to 7 stones: 1 loose sphalerite stone from Spain (cabochon cut, 4.8-5.3mm) Multiple purchase discounts available Sale price¥3,980
スペイン産スファレライト 0.928ctルース

Spanish Sphalerite 5.1mm/0.928ct loose stone Sale price¥5,980
スペイン産スファレライト 1.132ctルース

Spanish Sphalerite 5.9mm/1.132ct loose stone Sale price¥6,980
スペイン産スファレライト 1.498ctルース

Spanish Sphalerite 5.9mm/1.498ct loose stone Sale price¥8,800
スペイン産スファレライト 1.771ctルース

Spanish Sphalerite 6.3mm/1.771ct loose stone Sale price¥8,800
タンザニア産タンザナイト 0.513ctルース (シュガーローフカット）

Tanzanite 0.513ct loose stone (sugarloaf cut) from Tanzania Sale price¥9,800
パープルスピネル 0.311ctルース

Myanmar Purple Spinel 0.311ct Loose Stone Sale price¥8,800
ブルーベリル（マシシベリル） 0.172ctルース

Blue beryl (Macis beryl) 0.172ct loose stone Sale price¥8,800
マダガスカル産イエローサファイア 0.493ctルース

Madagascar Yellow Sapphire 0.493ct Loose Sale price¥9,800
スリランカ産非加熱パープルサファイア 0.986ctルース

Unheated Sri Lankan purple sapphire 0.986ct loose stone Sale price¥9,800
オーストラリア産レインボーラティスサンストーン 0.633ctルース

Australian Rainbow Lattice Sunstone 0.633ct Loose Stone Sale price¥8,800
オーストラリア産レインボーラティスサンストーン 0.795ctルース

Australian Rainbow Lattice Sunstone 0.795ct Loose Stone Sale price¥8,800
オーストラリア産レインボーラティスサンストーン 0.879ctルース

Australian Rainbow Lattice Sunstone 0.879ct Loose Stone Sale price¥9,800
TV anime "Shinkalion Change the World" x KARATZ collaboration postcard

TV anime "Shinkalion Change the World" x KARATZ collaboration postcard Sale price¥1,320
TV anime "Shinkalion Change the World" x KARATZ collaboration glitter can badge

TV anime "Shinkalion Change the World" x KARATZ collaboration glitter can badge Sale price¥660
TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic key chain

TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic key chain Sale price¥990
TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic stand

TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic stand Sale price¥1,650
Limited to 14 stones: 1 Cambodian Ratanakiri Blue Zircon (4mm) Multiple purchase discounts available

Limited to 14 stones: 1 Cambodian Ratanakiri Blue Zircon (4mm) Multiple purchase discounts available Sale price¥5,980
Limited to 10 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.28ct) Multiple purchase discounts available

Limited to 10 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.28ct) Multiple purchase discounts available Sale price¥3,980
スリランカ産スターサファイア 0.899ctルース

Sri Lankan Star Sapphire 0.899ct Loose Sale price¥9,800
Limited to 8 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.60ct) Multiple purchase discounts available

Limited to 8 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.60ct) Multiple purchase discounts available Sale price¥6,980
スリランカ産イエローサファイア 0.297ctルース

Sri Lankan Yellow Sapphire 0.297ct Loose Sale price¥8,800
タンザニア産ペリステライト 0.461ctルース

Tanzania Peristerite 0.461ct loose stone Sale price¥9,800
ブラジル産アレキサンドライト 0.052ctルース

Brazilian Alexandrite 0.052ct loose stone Sale price¥9,800
スリランカ産スターサファイア 0.892ctルース

Sri Lankan Star Sapphire 5.0mm/0.892ct Loose Stone Sale price¥9,800
Mongolian color change andesine 0.717ct loose stone

Mongolian color change andesine 0.717ct loose stone Sale price¥9,800

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.