¥50,000 - ¥100,000

【甲州貴石切子】ルチルクォーツ（ルチルレイテッドクォーツ） 12.860ctルース《コラボ》ワッペン

[Koshu Precious Stones Cut] Brazilian Rutile Quartz (Rutile-Rated Quartz) 12.860ct Loose Stone [Collaboration] Patch Sale price¥59,800

Madagascar emerald 0.816ct loose stone Sale price¥98,000

Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose Sale price¥55,800

Diamond (cabochon cut) 0.366ct loose Sale price¥59,800

Tanzanian Rhodolite Garnet 10.608ct Loose Stone Sale price¥98,000

Mozambique Aquamarine 3.301ct Loose Stone Sale price¥59,800

Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose Sale price¥54,800

Elbaite tourmaline from Mozambique 2.082ct loose stone (CuO: 0.1%, MnO: 1.4%) Sale price¥69,800

Colombian Trapiche Emerald 1.494ct Loose Sale price¥69,800

非加熱ブラジル産パライバトルマリン 0.044ctルース（CuO:1.6%、MnO:2.0%）

Unheated Brazilian Paraiba Tourmaline 0.044ct loose stone (CuO: 1.6%, MnO: 2.0%) Sale price¥59,800

非加熱ブラジル産パライバトルマリン 0.068ctルース（CuO:1.4%、MnO:2.3%）

Unheated Brazilian Paraiba Tourmaline 0.068ct loose stone (CuO: 1.4%, MnO: 2.3%) Sale price¥69,800

Colombian emerald 1.321ct loose stone (partly trapiche emerald) Sale price¥98,000

Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon) Sale price¥98,000

Pt950 American Orange Benitoite 0.076ct Benitoite Ring Sale price¥98,000

K18PG Sri Lankan Yellow Sapphire 0.31ct Green Garnet Ring Sale price¥89,800

Pt950 pink diamond 0.047ct diamond ring (FANCY LIGHT PURPLE PINK/SI-1/NONE) Sale price¥98,000

Madagascar Datolite (Datolite) 0.919ct Loose Stone Japan-Germany Exchange Sale price¥79,800

Brazilian Indigolite Tourmaline 1.616ct Loose Stone JTL Sale price¥69,800

Green tourmaline 1.190ct loose stone Sale price¥98,000

Tanzanite from Tanzania 2.011ct loose stone Sale price¥65,800

Madagascar sphene 2.791ct loose stone Sale price¥98,000

Brazilian Green Tourmaline 2.907ct Loose Stone Sale price¥98,000

Brazilian Green Tourmaline 4.374ct Loose Stone Sale price¥98,000

Nigerian Green Beryl 1.349ct Loose Stone Sale price¥98,000

Pt950ブラジル産パライバトルマリン0.034ctリング（フリュクーシュ枠・オーバルカット）

Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut) Sale price¥64,800

K18YG Brazilian Paraiba Tourmaline Ring (Flucche Setting, Pear Shape, Matte Finish) Sale price¥69,800

K18YG rose cut diamond 0.171ct ring Sale price¥89,800

K18YG American Turquoise 1.04ct Ring (Cat Cut) Sale price¥79,800

Pt950 Myanmar spinel 0.18ct 0.22ct earrings Sale price¥59,800

K18PGマダガスカル産ピンクサファイア0.24ct0.25ctピアス（アッシャーカット）

K18PG Madagascar pink sapphire 0.24ct 0.25ct earrings (Asscher cut) Sale price¥59,800

Brazilian parti-color tourmaline 2.702ct loose stone Sale price¥69,800

Brazilian rhodonite 3.224ct loose stone Sale price¥98,000

Czech Aragonite 8.0mm/2.082ct Loose Stone Sale price¥69,800

Spanish Sphalerite 8mm/2.796ct loose stone Sale price¥69,800

Brazilian Rubellite 1.027ct Loose Stone Sale price¥69,800

Bulgarian Green Sphalerite 0.403ct Loose Stone Sale price¥69,800

K18/Pt950 カンボジア産ブルージルコン0.48ct・パライバトルマリンリング

K18/Pt950 Cambodian Blue Zircon 0.48ct Paraiba Tourmaline Ring Sale price¥89,800

Elbaite tourmaline from Mozambique 1.138ct loose stone (CuO: 0.1%, Mn0: 1.6%) Sale price¥59,800

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） 1.029ctルース

Brazilian unheated pink imperial topaz (sherry pink) 6.4mm/1.029ct loose stone Sale price¥59,800

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 2.736ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 2.736ct loose stone Sale price¥79,800

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 3.512ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 3.512ct Loose Sale price¥98,000

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 2.888ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 2.888ct Loose Sale price¥88,000

Mozambique rubellite 2.752ct loose stone Sale price¥69,800

Mozambique Rubellite 2.141ct Loose Stone Sale price¥69,800

Elbaite tourmaline from Mozambique 1.192ct loose stone (CuO: 0.1%, MnO: 1.5%) Sale price¥59,800

Grandidierite from Madagascar 0.264ct loose stone Sale price¥88,800

Brazilian Morganite 4.720ct loose stone Sale price¥98,000

Tanzanian Mint Garnet 1.276ct Loose Stone Sale price¥69,800

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.