Ruth

[On Sale at 10 PM on August 9th] Tanzanian Rhodolite Garnet 0.380ct Loose Stone Sale price¥5,980

[On Sale at 10 PM on August 9th] Tanzanian Rhodolite Garnet 0.370ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 9th] Tanzanian Rhodolite Garnet 0.336ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 9th] American Peridot 5.1mm/0.566ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on August 9th] American Peridot 4.9mm/0.488ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 17th] American Peridot 4.5mm/0.370ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 7th] Tanzanian Kornerupine 0.219ct Loose Stone Sale price¥29,800

[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone Sale price¥22,800

[On Sale at 10 PM on August 3rd] Tanzanian Zircon 4.138ct Loose Stone Sale price¥39,800

[On sale at 10pm on August 16th] Cambodian Zircon 0.414ct Loose Sale price¥6,980

[8/13 22:00 Sale] Tanzanian Zircon 1.035ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on August 16th] Tanzanian Green Zircon 0.364ct Loose Sale price¥6,980

[On Sale at 10 PM on August 16th] Tanzanian Brown Zircon 0.642ct Loose Stone Sale price¥8,800

[Available at 10 PM on August 16th] Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone Sale price¥59,800

[Available at 10 PM on August 15th] Cambodian Blue Zircon (Ratanakiri Blue) 0.529ct Loose Stone Sale price¥18,800

[Available at 10 PM on August 15th] Cambodian Blue Zircon (Ratanakiri Blue) 0.484ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.429ct Loose Sale price¥6,980

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.321ct Loose Sale price¥5,980

[8/16 22:00 Sale] Brazilian Aquamarine 0.259ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 2nd] Brazilian Green Spodumene 2.710ct Loose Stone Sale price¥18,800

[On Sale at 10 PM on August 2nd] Brazilian Green Spodumene 1.918ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 1.851ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 0.547ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 0.493ct Loose Stone Sale price¥6,980

[On sale at 10pm on August 15th] Mongolian Andesine 0.822ct Loose Stone Sale price¥9,800

[On sale at 10pm on August 15th] Sri Lankan Star Sapphire 2.062ct Loose Sale price¥12,800

[On sale from 10pm on August 17th] Australian Prehnite 1.139ct Loose Stone Sale price¥8,800

[Available at 10 PM on August 17th] Tanzanian Peristerite 0.669ct Loose Stone (Blue Moonstone) Sale price¥14,800

[On Sale at 10 PM on August 17th] Tanzanian Kornerupine Cat's Eye 0.816ct Loose Stone Sale price¥6,980

【甲州貴石切子plusthree】ピクチャーメノウ 8.243ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Picture agate 8.243ct loose with patch Sale price¥25,800

【甲州貴石切子plusthree】ピクチャーメノウ 8.051ctルースワッペン付

[Koshu precious stone Kiriko plusthree] Picture agate 8.051ct loose with patch Sale price¥25,800

ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 3mm/0.159ctルース

Russian demantoid garnet cat's eye (horsetail recognized) 3mm/0.159ct loose Sale price¥18,800

ロシア産デマントイドガーネット（ホーステール認む） 3mm/0.138ctルース

Russian demantoid garnet (horsetail recognized) 3mm/0.138ct loose Sale price¥19,800

Mexican cantera opal 8.454ct loose Sale price¥3,980

Cambodian Blue Zircon 0.521ct Loose Stone Sale price¥5,980

Nigerian green beryl 0.437ct loose stone Sale price¥9,800

【甲州貴石切子plusthree】コロンビア産パイライトインエメラルド 5.076ctルースワッペン付

[Koshu Precious Stone Kiriko PlusThree] Colombian Pyrite in Emerald 5.076ct Loose with Patch Sale price¥98,000

【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 Sale price¥49,800

【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 Sale price¥49,800

[Koshu Precious Stone Kiriko] Ametrine 8.964ct《Collaboration》Loose with emblem Sale price¥69,800

【KEN氏】ミャンマー産ピンクスピネル 0.294ctルース - カラッツSTORE

Myanmar pink spinel 0.294ct loose stone Sale price¥6,980

Green tourmaline 0.305ct loose stone Sale price¥3,980

Playnight 5.099ct loose Sale price¥5,980

Pink tourmaline 0.915ct loose Sale price¥7,980

[Koshu precious stone cut plusthree] Citrine 0.962ct loose with patch Sale price¥19,800

[Koshu precious stone Kiriko plusthree] Citrine 1.137ct loose with patch Sale price¥19,800

Colorless zircon 1.831ct loose Sale price¥12,800

【甲州貴石切子】コロンビア産エメラルド 1.701ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Colombian Emerald 1.701ct《Collaboration》With Loose Patch Sale price¥79,800

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.