¥50,000 - ¥100,000

Sri Lankan bicolor sapphire 1.020ct loose stone Sale price¥59,800

ブラジル産パーティカラーパライバトルマリン 0.203ctルース（CuO:1.7%、MnO:2.9%）

Particolor Paraiba tourmaline from Brazil 0.203ct loose (CuO:1.7%, MnO:2.9%) Sale price¥59,800

Bicolor Sapphire 5.640ct Loose Stone with Certificate Sale price¥98,000

2.497ct loose barite stone from Guizhou, China with certificate of authenticity Sale price¥55,800

Colombian emerald 0.203ct loose stone with certificate Sale price¥98,000

Russian demantoid garnet (horsetail recognized) 0.291ct loose Sale price¥69,800

Sri Lankan Cat's Eye Sapphire 2.177ct Loose Sale price¥98,000

Brazilian Santa Maria Aquamarine 0.968ct loose stone Sale price¥69,800

Myanmar color change zircon 0.720ct loose stone Sale price¥69,800

Russian Demantoid Garnet (Horsetail Recognized) 4.6mm/0.433ct Loose Stone Sale price¥79,800

Russian Alexandrite 0.065ct loose stone Sale price¥59,800

Brazilian Rubellite 2.439ct loose stone Sale price¥69,800

Spanish Sphalerite 4.445ct loose stone Sale price¥98,000

Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Exchange Sale price¥79,800

American Red Beryl 0.254ct Loose Sale price¥59,800

American Red Beryl 0.260ct Loose Sale price¥69,800

ブラジル産非加熱ピンクインペリアルトパーズ（シェリーピンク） 0.931ctルース

Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone Sale price¥98,000

[Takeshi Yamamoto] Brazilian Rock Crystal 22mm/48.216ct Loose Stone (Fire Flower) Sale price¥59,800

Zimbabwe bicolor euclase 0.205ct loose stone Sale price¥98,000

Spanish Sphalerite 11mm/7.286ct loose stone Sale price¥98,000

Colombian emerald 10.940ct rough stone Sale price¥69,800

Myanmar Musgravite/Spinel 8.005ct Loose Stone Japan-Germany Sale price¥98,000

【山本武氏】ブラジル産ルチルクォーツ（ルチルレイテッドクォーツ） 31.967ctルース

[Takeshi Yamamoto] Brazilian rutilated quartz (rutilated quartz) 31.967ct loose stone Sale price¥59,800

[Takeshi Yamamoto] Brazilian Ametrine 29.930ct loose stone Sale price¥79,800

【甲州貴石切子】ティンカーベルクォーツ（ピンクファイヤークォーツ） 5.560ctルース

[Koshu Precious Stone Cut] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.560ct Loose Patch Sale price¥55,800

Mexican Cantera Opal 6.112ct Loose Sale price¥59,800

Brazilian bicolor tourmaline 7.445ct loose stone Sale price¥69,800

Synthetic Black Opal 5.013ct Loose Sale price¥59,800

6.392ct Bicolor Sphalerite Loose Stone from Spain Sale price¥69,800

Zimbabwean Euclase 2.976ct rough stone Sale price¥98,000

Congo Andesine 18.643ct Loose Stone Japan-Germany Exchange Sale price¥69,800

Tanzania Pink Zoisite 0.242ct Loose Stone with Certificate of Authenticity Sale price¥79,800

American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals) Sale price¥69,800

Sri Lankan Star Sapphire 7.976ct Loose Sale price¥98,000

[On sale from 10pm on 5/6] K18YG Cambodian blue zircon 0.51ct diamond ring Sale price¥79,800

[On sale from 22:00 on 5/5] Pt950 Brazilian Swiss Blue Topaz 0.756ct Aquamarine Ring Sale price¥79,800

K18PG奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.72ct・デマントイドガーネットリング

K18PG Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 0.72ct Demantoid Garnet Ring Sale price¥89,800

[On sale from 10pm on 5/5] Illusion pink tourmaline (iridescent tourmaline) 4.097ct loose stone Sale price¥55,800

Pt950 Sri Lankan cobalt spinel 0.697ct ring by Nikkei Sale price¥98,000

Parasite Peridot 0.220ct Loose (Paracytic Peridot) Japanese-German Edition Sale price¥79,800

Colombian Trapiche Emerald 2.730ct Loose Sale price¥98,000

Colombian Euclase 2.360ct loose Sale price¥79,800

Brazilian Pink Imperial Topaz 1.511ct Loose Japanese-German Edition Sale price¥69,800

【ダンデライオンカット】マダガスカル産アンデシン・ラブラドライトムーンストーン（通称名ブルームーンストーン） 7.0m/1.147ct《コラボ》ルース鑑別書のネット通販。宝石ルース・天然石・レアストーンを販売。カラッツSTOREは国内最大級の宝石専門情報メディアKARATZ（カラッツ）の宝石専門通販サイトです。宝石鑑定士が運営しています。

[Dandelion Cut] Madagascar Andesine Labradorite Moonstone (also known as Blue Moonstone) 7.0m/1.147ct {Collaboration} Loose Stone with Certificate of Authenticity Sale price¥59,800

Pakistani Lazurite (Azurite) 4.1mm/0.318ct Loose Stone Sale price¥59,800

[Takeshi Yamamoto] Brazilian Ametrine 24.465ct loose stone Sale price¥98,000

Pt950 Brazilian Alexandrite 0.144ct Ring Sale price¥79,800

Pt950 Colombian Euclase 0.07ct Diamond Ring Sale price¥89,800

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.