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レッドベリル 0.131ctルース

Red beryl 0.131ct loose Sale price¥28,800
クリソベリルキャッツアイ 2.553ctルース（バイカラー）

Chrysoberyl cat's eye 2.553ct loose (bicolor) Sale price¥49,800
スリランカ産クリソベリルキャッツアイ 1.340ctルース

Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone Sale price¥12,800
クリソベリルキャッツアイ 0.904ctルース

Chrysoberyl cat's eye 0.904ct loose Sale price¥12,800
アメリカ産レッドベリル 2.9mm/0.094ctルース

American red beryl 2.9mm/0.094ct loose Sale price¥35,800
バイカラートルマリン 0.397ctルース

Bicolor tourmaline 0.397ct loose Sale price¥8,800
ブラジル産バイカラートルマリン 1.764ctルース

Brazilian bicolor tourmaline 1.764ct loose Sale price¥35,800
ブラジル産バイカラートルマリン 1.565ctルース

Brazilian bicolor tourmaline 1.565ct loose Sale price¥22,800
クリソベリルキャッツアイ 0.844ctルース

Chrysoberyl cat's eye 0.844ct loose Sale price¥12,800
クリソベリルキャッツアイ 0.861ctルース

Chrysoberyl cat's eye 0.861ct loose Sale price¥18,800
クリソベリルキャッツアイ 0.953ctルース

Chrysoberyl cat's eye 0.953ct loose Sale price¥15,800
クリソベリルキャッツアイ 0.712ctルース

Chrysoberyl cat's eye 0.712ct loose Sale price¥9,800
クリソベリルキャッツアイ 0.810ctルース

Chrysoberyl cat's eye 0.810ct loose Sale price¥12,800
【サンジェ氏】ブルートパーズ 5.1mm/0.511ctルース

Blue Topaz 5.1mm/0.511ct Loose Sale price¥4,980
【サンジェ氏】ブルートパーズ 4.5mm/0.422ctルース

Blue Topaz 4.5mm/0.422ct Loose Sale price¥3,980
ブラジル産パライバトルマリン 0.211ctルース（CuO:0.6%,MnO:3.1%）

Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%) Sale price¥49,800
バイカラーベニトアイト 0.282ctルース

Bicolor Benitoite 0.282ct loose Sale price¥220,000
イギリス産ロジャリーフローライト 4.738ctルース

British Rosary Fluorite 4.738ct loose Sale price¥9,800
イギリス産ロジャリーフローライト 1.841ctルース

British Rosary Fluorite 1.841ct loose Sale price¥5,980
ブラジル産パライバトルマリン 0.144ctルース

Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%) Sale price¥55,800
クリソベリルキャッツアイ 1.080ctルース

Chrysoberyl cat's eye 1.080ct loose Sale price¥8,800
【カラフリ】Pt900ボルダーオパール15.82ct ペンダントトップ（ネックレストップ） - カラッツSTORE

[Colorful] Pt900 Boulder Opal 15.82ct Pendant Top (Necklace Top) Sale price¥69,800
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 【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 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 【猫カット】プレーナイト（6mm） - カラッツSTORE

[Cat cut] Play night (6mm)

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 Brazilian Paraiba Tourmaline (1.0mm, top quality)《Multiple purchase discount available》

Brazilian Paraiba Tourmaline (1.0mm, top quality)《Multiple purchase discount available》

Sold out Limited to 25 stones: Brazilian Paraiba Tourmaline (including bicolor, Batalha) rough stones, average size 0.1ct. Discounts for multiple purchases available.

Limited to 25 stones: Brazilian Paraiba Tourmaline (including bicolor, Batalha) rough stones, average size 0.1ct. Discounts for multiple purchases available.
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 【11/2 22時販売】《限定15石》ブルー石ガチャ（非加熱ブラジル産パライバトルマリン,パライバトルマリン,コバルトガーナイト鑑別書付,インディゴライトトルマリン・サファリン・ベニトアイト・アウイナイト）《複数購入割引有》

【11/2 22時販売】《限定15石》ブルー石ガチャ（非加熱ブラジル産パライバトルマリン,パライバトルマリン,コバルトガーナイト鑑別書付,インディゴライトトルマリン・サファリン・ベニトアイト・アウイナイト）《複数購入割引有》
Sold out Brazilian London Blue Topaz 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available}

Brazilian London Blue Topaz 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available}
Sold out Gem Gacha💎1 Paraiba Tourmaline from Brazil (Batalha Mine)

Gem Gacha💎1 Paraiba Tourmaline from Brazil (Batalha Mine)

Sold out 1 stone peridot (pyramid cut, 5mm)《Multiple purchase discount available》

1 stone peridot (pyramid cut, 5mm)《Multiple purchase discount available》

Sold out [On Sale November 1st at 10 PM] [Limited to 15 Stones] Rare Stone Gacha! 💎 Brazilian Paraiba Tourmaline 0.240ct, Taaffeite, Shinsha, Benitoite, and More [Multiple Purchase Discounts Available]

[On Sale November 1st at 10 PM] [Limited to 15 Stones] Rare Stone Gacha! 💎 Brazilian Paraiba Tourmaline 0.240ct, Taaffeite, Shinsha, Benitoite, and More [Multiple Purchase Discounts Available]
Sold out 《9石限定》ジェムガチャ『春色カラー』💎バイカラートルマリン1石 - カラッツSTORE

Gem Gacha "Spring Colors" 💎 1 Bicolor Tourmaline (Multiple Purchase Discounts 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 Hackmanite 1 stone (purple)

Hackmanite 1 stone (purple)

Sold out 【11/3 22時販売】山本武氏作品ガチャ（ファイヤーフラワーカットなど,おまけに山本氏研磨プレーナイト付き）1石ルース💎《複数購入割引有》

【11/3 22時販売】山本武氏作品ガチャ（ファイヤーフラワーカットなど,おまけに山本氏研磨プレーナイト付き）1石ルース💎《複数購入割引有》
Sold out [Available at 10 PM on 10/11] [Limited to 15 stones] Blue Stone Gacha (Top Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) [Multiple Purchase Discounts Available]

[Available at 10 PM on 10/11] [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 Sky blue topaz 1 stone (10mm, flower cut)《Discount available for multiple purchases》

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

Sold out Limited to 18 stones, Russian Phenakite rough, average 2.7ct, 1 stone, multiple purchase discounts available

Limited to 18 stones, Russian Phenakite rough, average 2.7ct, 1 stone, multiple purchase discounts available
Sold out [On Sale 10/13 at 10 PM] [Limited to 10 Stones] Bicolor Gacha 💎 Includes two Zimbabwean euclase stones (average 0.088 carats), a 1.03 carat bicolor sapphire, a bicolor chrysoberyl, and more. [Multiple purchase discounts available]

[On Sale 10/13 at 10 PM] [Limited to 10 Stones] Bicolor Gacha 💎 Includes two Zimbabwean euclase stones (average 0.088 carats), a 1.03 carat bicolor sapphire, a bicolor chrysoberyl, and more. [Multiple purchase discounts available]
Sold out [On Sale 10/13 at 10 PM] [Limited to 11 Stones] Rare Stone Gacha! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone [Multiple Purchase Discounts Available]

[On Sale 10/13 at 10 PM] [Limited to 11 Stones] Rare Stone Gacha! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone [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 [Available at 10 PM on September 6th] Limited to 10 Blue Stones Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) [Multiple Purchase Discounts Available]

[Available at 10 PM on September 6th] Limited to 10 Blue Stones Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) [Multiple Purchase Discounts Available]
Sold out Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)

Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)
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》

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.