¥50,000 - ¥100,000

【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 Sale price¥55,800

[Sakura Incut] Ametrine 9.740ct loose with patch Sale price¥59,800

[On sale at 10 PM on September 6th] Brazilian Bicolor Imperial Topaz 0.981ct Loose Sale price¥79,800

[On sale at 10pm on September 6th] Namibian Jeremejevite 0.245ct Loose Stone Sale price¥79,800

[On sale at 10pm on September 6th] Russian emerald 0.269ct loose stone Sale price¥79,800

[On sale at 10pm on September 6th] Brazilian Alexandrite 0.326ct Loose Stone Sale price¥79,800

ロシア産デマントイドガーネット（ホーステール認む） 4.6mm/0.425ctルース

Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose Sale price¥69,800

ロシア産デマントイドガーネット（ホーステール認む） 4.4mm/0.382ctルース

Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose Sale price¥79,800

Aquamarine 15mm/10.190ct loose Sale price¥69,800

Burmese red spinel 0.418ct loose Sale price¥55,800

【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 Sale price¥69,800

【さくらインカット】レモンクォーツ 20mm/21.540ct《コラボ》ルースワッペン付 - カラッツSTORE

[Sakura Incut] Lemon Quartz 20mm/21.540ct《Collaboration》Loose with emblem Sale price¥69,800

Cornflower blue sapphire 0.490ct loose stone Sale price¥98,000

1.483ct blue sapphire loose stone Sale price¥98,000

Pigeon Blood Ruby 0.340ct Loose Sale price¥59,800

[On Sale at 10 PM on September 7th] Myanmar Leuco Garnet 0.812ct Loose Stone with Certificate of Authenticity Sale price¥59,800

[Koshu Precious Stone Kiriko] Yellow Fluorite 30.09ct Loose [Collaboration] With Patch Sale price¥79,800

ソルトアンドペッパーダイヤモンド 5.2mm/0.863ctルース（カボションカット）

Salt and Pepper Diamond 5.2mm/0.863ct Loose Cabochon Cut Diamond (Available August 17th at 10 PM) Sale price¥98,000

[Available at 10 PM on August 13th] [Camellia Cut] Ethiopian Opal 5.083ct/14mm Loose Sale price¥69,800

[On Sale at 10 PM on August 11th] Afghanistan Oil-Free Emerald 0.100ct Loose GIA Sale price¥98,000

[On Sale at 10 PM on August 11th] 0.060ct Loose GIA Emerald from Madagascar, No Oil Sale price¥69,800

[Sale at 10 PM on August 11th] [Sakura In-Cut] Spanish Andalusite 6.0mm/0.715ct Loose Stone Sale price¥59,800

[On sale at 10pm on August 14th] Alexandrite 0.272ct loose stone Sale price¥59,800

Pakistani Veirinite 0.251ct Loose Stone with Certificate of Authenticity Sale price¥55,800

Colombian Euclase from Colombia 4.869ct loose Sale price¥55,800

Bicolor imperial topaz 1.725ct loose Sale price¥79,800

South African green diamond rough (makeable) 0.298ct loose Sale price¥69,800

Tanzanite 2.418ct loose Sale price¥55,800

Dioptase from Namibia 3.2mm/0.123ct loose Sale price¥59,800

【甲州貴石切子】レピドクロサイトインクォーツ 44.310ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Lepidocrocite in Quartz 44.310ct《Collaboration》Loose with emblem Sale price¥59,800

K18 bicolor sapphire 0.129ct/blue sapphire ring Sale price¥69,800

Black opal 2.293ct loose Sale price¥98,000

Bicolor apatite 15.507ct loose Sale price¥98,000

【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 Sale price¥59,800

【甲州貴石切子】《月型切子》スイスブルートパーズ 27.829ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Swiss Blue Topaz 27.829ct《Collaboration》Loose with emblem Sale price¥59,800

【ダンデライオンカット】スリランカ産シリマナイト 11mm/5.573ct《コラボ》ルース日独鑑

[Dandelion Cut] Sillimanite from Sri Lanka 11mm/5.573ct《Collaboration》Ruth Japanese-German Edition Sale price¥98,000

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

【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

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

【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

Rhodochrosite from South Africa 5.2mm/0.645ct loose Sale price¥55,800

ロシア産デマントイドガーネット（ホーステール認む） 4.5mm/0.423ctルース

Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose Sale price¥69,800

Kunzite from Afghanistan 21.5mm/39.372ct loose stone Sale price¥98,000

Pakistani Veirinite 0.206ct loose stone Sale price¥55,800

Zimbabwe bicolor euclase 0.385ct loose stone Sale price¥98,000

[On sale at 10pm on 7/21] Tanzanian bicolor tanzanite 2.304ct loose stone Sale price¥59,800

Tanzanian Lavender Tanzanite 2.219ct Loose Stone Sale price¥55,800

American Benitoite 0.158ct loose stone Sale price¥59,800

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.