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Sold out Christmas Sale: Only one pink item available! Yuichiro Abe Goods Set [Tote Bag & Coaster]

Christmas Sale: Only one pink item available! Yuichiro Abe Goods Set [Tote Bag & Coaster]

Sold out Christmas Sale: S: 3 pieces / M: 1 piece / Kids: 1 piece - Yuichiro Abe Goods Set [T-shirt & Coaster]

Christmas Sale: S: 3 pieces / M: 1 piece / Kids: 1 piece - Yuichiro Abe Goods Set [T-shirt & Coaster]

Sold out 安部祐一朗氏グッズセット【キャンバス＆アクルルキーホルダー＆オレゴンサンストーンの宝石】

Yuichiro Abe goods set [canvas & acrylic key chain & Oregon sunstone jewelry]

Sold out 安部祐一朗氏グッズセット【マグカップ＆コンパクトミラー＆オレゴンサンストーンの宝石】

Yuichiro Abe goods set [General purpose case & notebook & postcard autographed & Oregon sunstone jewelry]

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 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 コーネルピンキャッツアイ 0.791ctルース

Cornel pin cat's eye 0.791ct loose

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 ブラックダイヤモンド 0.316ctルース

Black diamond 0.316ct loose

Sold out グリーンランド産ルビー0.365ctルース 証明書付

Ruby from Greenland 0.365ct loose with certificate

Sold out グリーンランド産ルビー0.337ctルース証明書付

Ruby from Greenland 0.337ct Ruth certificate included

Sold out グリーンランド産タグトゥパイト0.13ctルース

Tagtupite from Greenland 0.13ct 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」（中級者向け：プレーナイト・葡萄石）

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for intermediate users: playnite/grape stone)

Sold out アンダリュサイト 1石（ラウンドカット）

Andalusite 1 stone (round cut, 3.0-3.5mm)《Multiple purchase discount available》

Sold out ハックマナイト 0.100ctルース

Hackmanite 0.100ct 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 化石採掘体験に挑戦してみよう「自分で出来る化石発掘体験セット」

Let's try the fossil mining experience "Do-it-yourself fossil excavation experience set" + bonus of fossil stickers, simple black light, and amber (copal) [Multiple purchase discounts available]

Sold out スターガーネット 11.460ctルース（6条）

Star garnet 11.460ct loose (6 rows)

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)

Additional labor fee

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 ブルーベリル（マシシベリル）＆ミントグリーンベリル2石セット

[Resale] Blue Beryl (Mashishi Beryl) & Mint Green Beryl 2 stone set《Multiple purchase discount available》

Sold out 《再販売》ハイヒール（カーネリアン）1石《宝石ハイヒール》 - カラッツSTORE

High heels (carnelian) 1 stone (gem high heels)《Multiple purchase discount available》

Sold out ルビー 0.267ctルース 日独鑑

Ruby 0.267ct Ruth Japanese-German book

Sold out ルビー 0.240ctルース 日独鑑

Ruby 0.240ct loose (taper cut) Japanese-German book

Sold out カラーチェンジガーネット（ベキリーブルーガーネット） 0.171ctルース

Bekily Blue Garnet (Color Change Garnet) 0.171ct Loose Needle

Sold out 「起源がわかる 宝石大全」初版＆宝石小瓶 2点セット

“An Encyclopedia of Gems that Understand the Origin” & Sapphire 2 Stone Set《Purchased in Chanthaburi, Thailand》

Sold out 【KEN氏】カラーチェンジサファイア 0.570ctルース - カラッツSTORE

Color change sapphire 0.570ct loose stone

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

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

Sold out ピンクオパール 6.960ctルース

Pink opal 6.960ct loose

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 《再販売》ハイヒール（スモーキークォーツ）1石《宝石ハイヒール》》6個 - カラッツSTORE

High heels (smoky quartz) 1 stone (gem high heels)《Multiple purchase discount available》

Sold out ボルダーオパール 1.80ctルース

boulder opal 1.80ct loose

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.