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Sold out フォスフォフィライト 0.741ct原石

Bolivian Phosphophyllite 0.741ct Loose Stone with Certificate of Authenticity

Sold out 【12560355掲載】ジンバブエ産バイカラーユークレース 0.255ctルース

Zimbabwe Bicolor Euclase 0.255ct Loose Stone (Rainbow)

Sold out ジンバブエ産バイカラーユークレース 0.197ctルース

Zimbabwean Bicolor Euclase 0.197ct Loose Stone
Sold out タンザニア産ドラゴンガーネット 0.754ctルース

Tanzanian Dragon Garnet 0.754ct Loose Stone
Sold out タンザニア産ドラゴンガーネット 1.012ctルース

Tanzanian Dragon Garnet 1.012ct Loose Stone
Sold out タンザニア産ドラゴンガーネット 0.829ctルース

Tanzanian Dragon Garnet 0.829ct Loose Stone
Sold out ブルートパーズキャッツアイ 2.958ctルース

Brazilian Blue Topaz Cat's Eye 2.958ct Loose Stone
Sold out シベリアンブルークォーツ（合成クォーツ） 1.067ctルース

[Sakura Ingot Cut] Siberian Blue Quartz (Synthetic Quartz) 1.067 ct Loose Stone

Sold out リアルガー 10.735ct原石

Realgar (realgar) rough stone from Yunnan, China, 10.735ct, Nichidokukan

Sold out ブラジル産パライバトルマリン 3.3mm/0.155ctルース（CuO:1.7%、MnO:1.6%）

Brazilian Paraiba tourmaline 3.3mm/0.155ct loose stone (CuO: 1.7%, MnO: 1.6%)

Sold out 合成アレキサンドライト 1.538ctルース

Synthetic Alexandrite 1.538ct Loose Stone
Sold out タンザニア産ペリステライト 0.778ctルース

Tanzanian Peristerite 0.778ct Loose Stone
Sold out ブラジル産デュモルチェライトインクォーツ 4.467ctルース

Brazilian Dumortierite in Quartz 4.467ct Loose Stone

Sold out ロードライトガーネット 0.528ctルース

Tanzanian Rhodolite Garnet 0.528ct Loose Stone, Japan-Germany Scale
Sold out シンシャ（シナバー） 0.354ctルース

Chinese Cinnabar 0.354ct Loose Stone with Certificate of Authenticity
Sold out シンシャ（シナバー） 0.468ctルース

Chinese cinnabar 0.468ct loose stone with certificate of authenticity
Sold out シンシャ（シナバー） 0.480ctルース

Chinese Cinnabar 0.480ct Loose Stone with Certificate of Authenticity
Sold out シンシャ（シナバー） 0.486ctルース

Chinese cinnabar 0.486ct loose stone with certificate of authenticity
Sold out シンシャ（シナバー） 0.506ctルース

Chinese Cinnabar 0.506ct Loose Stone with Certificate of Authenticity
Sold out シンシャ（シナバー） 0.563ctルース

Chinese Cinnabar 0.563ct Loose Stone with Certificate of Authenticity
Sold out シンシャ（シナバー） 0.644ctルース

Chinese Cinnabar 0.644ct Loose Stone with Certificate of Authenticity
Sold out シンシャ（シナバー） 0.779ctルース

Chinese Cinnabar 0.779ct Loose Stone with Certificate of Authenticity
Sold out Pt950シーブルーカルセドニーピアス

Pt950 Brazilian Sea Blue Chalcedony 4mm Earrings
Sold out [Sales end on Tuesday, May 5] TV Anime "2.5 Dimensional Seduction" x KARATZ Jewelry Store Collaboration Can Badge

[Sales end on Tuesday, May 5] TV Anime "2.5 Dimensional Seduction" x KARATZ Jewelry Store Collaboration Can Badge

Sold out Limited to 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (Multiple purchase discounts available)

Limited to 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (Multiple purchase discounts available)

Sold out 《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]

Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out 《Limited to 10 Gems》DGL certified, pink sapphire gacha including a 0.155ct Padparadscha sapphire, plus a bonus sapphire such as a trillion cut! 《Multi-purchase discount available》

《Limited to 10 Gems》DGL certified, pink sapphire gacha including a 0.155ct Padparadscha sapphire, plus a bonus sapphire such as a trillion cut! 《Multi-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 K18 イエローゴールド 小豆チェーン （アズキ）ロングネックレス 0.9mm／1.1mm【60cmフリー】 - カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) Long Necklace 0.9mm/1.1mm [60cm Free]

Sold out 【猫カット】シトリン（8mm） - カラッツSTORE

[Cat cut] Citrine (8mm)

Sold out 【猫カット】ローズクォーツ（8mm） - カラッツSTORE

[Cat cut] Rose quartz (8mm)《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 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 Limited to 9 stones: 1 loose Mexican opal stone (multiple purchase discounts available)

Limited to 9 stones: 1 loose Mexican opal stone (multiple purchase discounts available)

Sold out 1 rose cut diamond (VS-SI class equivalent, 3.0mm)《Multiple purchase discount available》

1 rose cut diamond (VS-SI class equivalent, 3.0mm)《Multiple purchase discount available》

Sold out Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Vivid Pink) 1 stone loose (multiple purchase discount available)

Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Vivid Pink) 1 stone loose (multiple purchase discount available)
Sold out Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Intense Pink) 1 stone loose (multiple purchase discount available)

Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Intense Pink) 1 stone loose (multiple purchase discount available)
Sold out Limited to 10 stones Mexican Cantera Opal 1 loose stone (10 x 8 cm) Multiple purchase discounts available

Limited to 10 stones Mexican Cantera Opal 1 loose stone (10 x 8 cm) Multiple purchase discounts available
Sold out Limited to 17 stones: 1 loose Afghanite stone from Afghanistan. Discounts available for multiple purchases.

Limited to 17 stones: 1 loose Afghanite stone from Afghanistan. Discounts available for multiple purchases.
Sold out Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available

Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available
Sold out [While supplies last, same-day shipping] TV anime "I went to a mixer and there were no girls there" x KARATZ collaboration swaying keychain

[While supplies last, same-day shipping] TV anime "I went to a mixer and there were no girls there" x KARATZ collaboration swaying keychain

Sold out Limited to 7 stones: 1 loose Andesine Labradorite stone from Madagascar. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose Andesine Labradorite stone from Madagascar. Discounts available for multiple purchases.
Sold out [Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]

[Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]
Sold out Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}

Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}
Sold out Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available

Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available
Sold out Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available

Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts 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.