Login

Items under 10,000 yen

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

Yuichiro Abe goods set [sticker & waterproof smartphone case]

Sold out Gem Gacha💎1 special fluorescent diamond (VS-SI class equivalent, 2.0mm)

Gem Gacha💎1 special fluorescent diamond (VS-SI class equivalent, 2.0mm)

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 loose sapphire from Ratnapura, Sri Lanka (3.0mm-4.0mm, trilliant cut)《Multiple purchase discount available》

1 loose sapphire from Ratnapura, Sri Lanka (3.0mm-4.0mm, trilliant cut)《Multiple purchase discount available》

Sold out Brazilian Paraiba tourmaline (Batalha) 1 stone 1.3-1.4mm

Brazilian Paraiba tourmaline (Batalha) 1 stone 1.3-1.4mm

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 グリーンランド産ルビー 1石（ラウンドカット,2mm）

1 Ruby from Greenland (round cut, 2mm) with certificate

Sold out グリーンランド産アイスルビー 1石（ハートシェイプ,4mm）

Ice ruby ​​from Greenland 1 stone (heart shape, 4mm) Comes with original pouch

Sold out オパール0.584ctルース

Opal 0.584ct loose

Sold out シーブルーカルセドニー 5.627ctルース

Sea blue chalcedony 5.627ct loose

Sold out ブラッドショットアイオライトサンストーン 1.150ctルース

Bloodshot Iolite Sunstone 1.150ct Loose

Sold out バイカラートルマリン 2.245ctルース

Bicolor tourmaline 2.245ct loose

Sold out バイカラートルマリン 2.214ctルース

Bicolor tourmaline 2.214ct loose

Sold out ローレントーマサイト0.092ctルース

Lauren Thomasite 0.092ct loose

Sold out 1 Brazilian Paraiba tourmaline stone (cabochon cut, average 0.25 ct)

1 Brazilian Paraiba tourmaline stone (cabochon cut, average 0.25 ct)

Sold out Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)

Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)
Sold out Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

Sold out Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Sold out Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Sold out ブラジル産レインボーアクアマリン 2.698ctルース

Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 2.698ct Loose Stone
Sold out Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)

Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)
Sold out Limited to 20 stones! Koshu Kiriko Plus Three: Includes two carefully cut Oregon Sunstones. Includes one loose stone. Discounts available for multiple purchases.

Limited to 20 stones! Koshu Kiriko Plus Three: Includes two carefully cut Oregon Sunstones. Includes one loose stone. Discounts available for multiple purchases.
Sold out スペイン産バイカラースファレライト 0.727ctルース

0.727ct Bicolor Sphalerite Loose Stone from Spain
Sold out 奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.577ctルース

Rainbow Garnet (Andradite Garnet) 0.577ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out 奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.439ctルース

Rainbow Garnet (Andradite Garnet) 0.439ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out ブラジル産ゴーシェナイト 1.611ctルース

Brazilian Goshenite 1.611ct loose stone
Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.828ctルース

[Posted 12548519] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.828ct loose

Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.762ctルース

[Posted 12548515] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.762ct loose

Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.199ctルース

[Posted 12548511] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.199ct loose

Sold out Limited to 3 stones: Synthetic Black Moissanite Loose Stone (2.5mm, Round Cut) - Multiple Purchase Discounts Available

Limited to 3 stones: Synthetic Black Moissanite Loose Stone (2.5mm, Round Cut) - Multiple Purchase Discounts Available
Sold out Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)

Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)
Sold out ティンカーベルクォーツ（ピンクファイヤークォーツ） 5.001ctルース

Tinker Bell Quartz (Pink Fire Quartz) 5.001ct loose
Sold out 【ルージュカット】アルマンディンガーネット 1.725ctルース

[Rouge cut] Almandine garnet 1.725ct loose
Sold out UVタイプミントガーネット 0.435ctルース

UV type mint garnet 0.435ct loose

Sold out ナミビア産ジェレメジェバイト 0.034ctルース

Jeremejevite from Namibia 0.034ct loose

Sold out タンザニア産ピンクゾイサイト 3.206ct原石

Pink zoisite 3.206ct rough stone from Tanzania
Sold out 合成ルチル 2.031ctルース

Synthetic rutile 2.031ct loose
Sold out ブラジル産レインボースキャポライト 0.652ctルース

Brazilian rainbow scapolite 6mm/0.652ct loose
Sold out ブラジル産メデューサクォーツ（パライバクォーツ） 1.008ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 1.008ct loose
Sold out ブラジル産メデューサクォーツ（パライバクォーツ） 2.248ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 2.248ct loose
Sold out コンゴ産ヘミモルファイト 0.537ctルース

Hemimorphite from Congo 0.537ct loose
Sold out オレゴンサンストーン 0.663ctルース

Oregon Sunstone 0.663ct loose
Sold out オーストラリア産ボルダーオパール 0.721ctルース

Australian boulder opal 0.721ct loose
Sold out アフガニスタン産クンツァイト 3.340ctルース

Kunzite from Afghanistan 3.340ct loose stone
Sold out ブラジル産グリーントルマリン 0.490ctルース

Brazilian green tourmaline 0.490ct loose stone

Sold out ブラジル産ダルメシアンクォーツ 9.2mm/1.711ctルース

Brazilian Dalmatian Quartz 9.2mm/1.711ct Loose Stone

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.