Login

List of products eligible for patches

Sort by
Sold out スモーキークォーツ 0.691ctルース

[Koshu precious stone Kiriko plusthree] Smoky quartz 6mm/0.691ct loose with patch
Sold out [Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose

[Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose
Sold out 【クローバーインカット】コロンビア産エメラルド 8mm/1.663ctルース《コラボ》 ワッペン付

[Clover in-cut] Colombian emerald 8mm/1.663ct loose "Collaboration" with patch
Sold out Chinese aragonite 36.409ct loose with patch

Chinese aragonite 36.409ct loose with patch
Sold out [Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone

[Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone

Sold out [Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone

[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone
Sold out Tibetan Bicolor Andesine Dandelion Cut Loose Stone, 6.0mm/0.791ct (Color Change Type)

Tibetan Bicolor Andesine Dandelion Cut Loose Stone, 6.0mm/0.791ct (Color Change Type)
Sold out [Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone

[Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone
Sold out Madagascar sphene 6.0mm/0.868ct loose stone

Madagascar sphene 6.0mm/0.868ct loose stone

Sold out Loose 1.206ct Oregon Sunstone from the USA

Loose 1.206ct Oregon Sunstone from the USA

Sold out スイスブルートパーズ 13.257ctルース

[Posted 12546242] Swiss blue topaz 13.257ct loose

coming soon 【甲州貴石切子】《月型切子》シトリン 6.097ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Citrine 6.097ct《Collaboration》With loose patch Sale price¥69,800
Sold out タンザニア産バイカラーゾイサイト 1.327ctルース

Tanzanian bicolor zoisite 1.327ct loose stone

Sold out 【ダンデライオンカット】スモーキークォーツ 25mm/41.745ct《コラボ》ルース（6枚花びら） ワッペン付

[Dandelion Cut] Smoky Quartz 25mm/41.745ct《Collaboration》Loose (6 petals) with patch
Sold out [Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch

[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch
Sold out YAG（イットリウムアルミニウムガーネット） 1.480ctルース

[Star-in-cut] YAG (Yttrium Aluminum Garnet) 1.480ct Loose Gemstone with Certificate

Sold out YAG（イットリウムアルミニウムガーネット） 2.026ctルース

[Sakura Shape] YAG (Yttrium Aluminum Garnet) 2.026ct Loose Stone with Appraisal

Sold out 【ダンデライオンカット】ロンドンブルートパーズ 6.570ctルース - カラッツSTORE

[Dandelion Cut] London Blue Topaz 6.570ct Loose with Patch

Sold out [Dandelion cut] Morganite 7mm/1.02ct loose with patch

[Dandelion cut] Morganite 7mm/1.02ct loose with patch

Sold out 【さくらインカット】グリーンクォーツ 20mm/22.840ct《コラボ》ルース ワッペン付 - カラッツSTORE

[Sakura Incut] Green Quartz 20mm/22.840ct《Collaboration》Loose with emblem
Sold out 【ダンデライオンカット】スピネル 5.7mm ルース《コラボ》（パープリッシュグレイ）ワッペン付

[Dandelion Cut] Spinel 5.7mm Loose "Collaboration" (Purplish Gray) with Patch
Sold out 【甲州貴石切子】スポジュメン 7.390ctルース《コラボ》ワッペン付

[Koshu Precious Stone Kiriko] Spodumene 7.390ct loose "Collaboration" with emblem
Sold out 【甲州貴石切子】スポジュメン 8.480ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko] Spodumene 8.480ct《Collaboration》Loose with emblem
Sold out 【さくらシェイプ】スリランカ産グリーンジルコン 7.7mm/2.620ctルース

Sakura Shape Green Zircon from Sri Lanka, 7.7mm/2.620ct Loose
Sold out 【甲州貴石切子plusthree】アメトリン 2.445ct《コラボ》ルース ワッペン付

[Koshu precious stone Kiriko plusthree] Ametrine 2.445ct《Collaboration》 Loose with emblem

Sold out 【甲州貴石切子】スポジュメン 14.070ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko] Spodumene 14.070ct《Collaboration》Loose with emblem
Sold out 【甲州貴石切子】ブラジル産アメトリン 1.386ctルース

[12539978 published] Ametrine 1.386ct loose
Sold out 【甲州貴石切子】《月型切子》】ブルートパーズ 33.591ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》]Blue Topaz 33.591ct《Collaboration》Loose with emblem
Sold out 【甲州貴石切子plusthree】《星桜カット》アメトリン 2.660ct《コラボ》ルース ワッペン付

[Koshu precious stone Kiriko plusthree]《Star cherry cut》Ametrine 2.660ct《Collaboration》Loose with patch
Sold out 【ダンデライオンカット】YAG（イットリウムアルミニウムガーネット）8mm/2.752ctルース

[Dandelion cut] YAG (yttrium aluminum garnet) 8mm/2.752ct loose
Sold out 【甲州貴石切子plusthree】合成モアッサナイト 8mm/1.502ct《コラボ》ルース ワッペン付

[Koshu precious stone Kiriko plusthree] Synthetic moissanite 8mm/1.502ct《Collaboration》 Loose with patch
Sold out 【甲州貴石切子plusthree】デンドリティッククォーツ 45.929ctルース ワッペン付

[Koshu precious stone Kiriko plusthree] Dendritic quartz 45.929ct loose with emblem
Sold out 【甲州貴石切子plusthree】メキシコ産ファイアオパール 1.981ctルース ワッペン付

[Koshu precious stone Kiriko plusthree] Fire opal from Mexico 1.981ct loose with emblem
Sold out 【甲州貴石切子】ライモナイトインクォーツ（オーロラクォーツ） 8.066ctルース

[Koshu Precious Stone Cutting] Brazilian Limonite in Quartz (Aurora Quartz) 8.066ct Loose
Sold out 【甲州貴石切子plusthree】グリーンクォーツ 6mm/0.731ct ルース ワッペン付

[Koshu Precious Stone Kiriko PlusThree] Green Quartz 6mm/0.731ct Loose with Patch
Sold out 【甲州貴石切子plusthree】グリーンクォーツ 6mm/0.737ctルース ワッペン付

[Koshu precious stone Kiriko plusthree] Green quartz 6mm/0.737ct loose with patch
Sold out 【甲州貴石切子plusthree】スモーキークォーツ 5.074ctルース ワッペン付

[Koshu precious stone Kiriko plusthree] Smoky quartz 5.074ct loose with patch
Sold out 【ダンデライオンカット】合成ルチル 7mm/1.905ctルース

[Dandelion cut] Synthetic rutile 7mm/1.905ct loose
Sold out 【甲州貴石切子plusthree】ピクチャーメノウ 10.362ctルース ワッペン付

[Koshu Precious Stones plusthree] Picture Agate 10.362ct Loose Stone
Sold out 【甲州貴石切子plusthree】ロンドンブルートパーズ 2.461ct《コラボ》ルース《暁》 ワッペン付

[Koshu Precious Stones Plusthree] Brazilian London Blue Topaz 2.461ct Loose
Sold out 【甲州貴石切子plusthree】ラベンダークォーツ（スコロライト） 2.566ctルース ワッペン付

[Koshu Precious Stones Plusthree] Brazilian Lavender Quartz (Scorolite) 2.566ct Loose Patch
Sold out [Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch

[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch
Sold out タンザニア産ピンクスピネル 0.842ctルース

[Sakura In-Cut] Tanzanian Pink Spinel 6.0mm/0.842ct Loose Stone with Certificate of Authenticity
Sold out ブラジル産アクアマリン 5.209ctルース

[Koshu Precious Stones] Brazilian Aquamarine 5.209ct Loose Stone with Certificate of Authenticity
Sold out タンザニア産タンザナイト 1.486ctルース

[Yukinko Cut] Tanzanite from Tanzania 1.486ct Loose Stone

Sold out 【ダンデライオンカット】YAG（イットリウムアルミニウムガーネット） 9mm/4.121ct《コラボ》ルース ワッペン付

[Dandelion Cut] YAG (Yttrium Aluminum Garnet) 9mm/4.121ct Loose Patch
Sold out 【甲州貴石切子pluesthree】合成モアッサナイト 《コラボ》4.02ctルース ワッペン付

[Koshu Precious Stones Plusthree] Synthetic Moissanite 10mm/4.02ct Loose Patch
Sold out 【甲州貴石切子plusthree】合成モアッサナイト 5.570ct《コラボ》ルース ワッペン付

[Koshu Precious Stones Plusthree] Synthetic Moissanite 12mm/5.570ct Loose Patch

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.