¥30,000 - ¥50,000

coming soon

[12560899] Russian Alexandrite 0.058ct Loose Stone Sale price¥49,800

Euclase from Zimbabwe 0.409ct loose Sale price¥45,800

[On Sale at 10 PM on September 28th] Zimbabwean Bicolor Euclase 0.146ct Loose Stone Sale price¥35,800

【32501454掲載】ピンクダイヤモンド 0.051ctルース(FANCY LIGHT PINK, SI-2)

[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2) Sale price¥39,800

【32501451掲載】ピンクダイヤモンド 0.046ctルース(FANCY LIGHT PURPLISH PINK, SI-2)

[32501451 published] Pink diamond 0.046ct loose (FANCY LIGHT PURPLISH PINK, SI-2) Sale price¥39,800

Russian demantoid garnet (horsetail recognized) 0.291ct loose Sale price¥49,800

ブラジル産パライバトルマリン 0.226ctルース（CuO:0.7%、MnO:2.5%）

Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%) Sale price¥39,800

[On Sale at 10 PM on September 22nd] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted) Sale price¥35,800

[On Sale at 10 PM on September 21st] South African Rough Diamond (Sawable) 0.105ct Rough Stone (with Trigon) Sale price¥39,800

【12559437掲載】タンザニア産バイカラーグロッシュラーガーネット 1.359ctルース

[On Sale at 10 PM on October 3rd] Tanzanian Bicolor Grossular Garnet 1.359ct Loose Sale price¥49,800

[10/3 22:00 Sale] German Auchenite 0.090ct Loose Stone Sale price¥39,800

[On sale at 10pm on September 20th] German Auchenite 0.097ct Loose Stone Sale price¥39,800

Hackmanite 0.506ct loose Sale price¥45,800

Taaffeite 0.241ct loose Japanese and German Sale price¥39,800

ブラジル産パライバトルマリン 0.205ctルース（CuO:0.8%、MnO:3.1%）

Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%) Sale price¥39,800

ブラジル産パライバトルマリン 0.226ctルース（CuO:0.7%、MnO:3.6%）

Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%) Sale price¥39,800

Paraiba tourmaline from Brazil 0.239ct loose Sale price¥45,800

Paraiba tourmaline from Brazil 0.232ct loose Sale price¥45,800

ブラジル産パライバトルマリン 0.240ctルース（CuO:0.7%、MnO:3.8%）

Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%) Sale price¥45,800

Russian demantoid garnet (horsetail recognized) 0.214ct loose Sale price¥49,800

Colombian mica in emerald 1.314ct loose Sale price¥39,800

Burmese bicolor spinel 0.849ct loose Sale price¥35,800

【さくらインカット】メキシコ産オパール 9mm/1.532ctルース - カラッツSTORE

[Sale at 10 PM on September 15th] [Sakura In-Cut] Mexican Opal 9mm/1.532ct Loose Sale price¥45,800

1石から選ぶオーダーメイド《ペンダント》申し込み～ SOLO(ソロ) ～ - カラッツSTORE

Solo (Simple Order Pendant Frame) Sale price¥44,800

Star Drop "Semi-custom pendant frame" Sale price¥47,800

Solo (Simple Order Pinky Ring Frame) Sale price¥44,800

Pisces "Semi-custom pendant frame" Sale price¥47,800

EDEL Semi-custom pinky ring frame Sale price¥49,800

First Star《Semi-Custom Pendant Frame》 Sale price¥47,800

Fukuoka SoftBank Hawks "Young Hawk Ring" - Double Type | SV925, Yellow Chalcedony, White Chalcedony - Sale priceFrom ¥25,060

【石から選ぶセミオーダーペンダント枠】オリオン - KARATZ STORE｜カラッツSTORE

Orion "Semi-custom pendant frame" Sale price¥47,800

FLUCUSH "Semi-custom pinky ring frame" Sale price¥49,800

Lilium "Semi-custom pendant frame" Sale price¥47,800

Orion "Semi-custom pendant frame" Sale price¥47,800

[Dandelion cut] Pyrope almandine garnet 9.0mm/3.566ct loose stone Sale price¥35,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800

Synthetic Moissanite 8.417ct Loose Stone Sale price¥49,800

Twin Stars《Semi-Custom Pendant Frame》 Sale price¥47,800

1石から選ぶオーダーメイド《イヤリング・チェーンタイプ》申し込みページ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Earring Frame/Chain Type) Sale priceFrom ¥39,800

タンザニア産アンデシン・ラブラドライト（通称名ブルームーンストーン） 0.726ctルース

[Available at 10 PM on September 9th] [Dandelion Cut] Tanzanian Andesine Labradorite (also known as Blue Moonstone) 6.0mm/0.726ct Loose Stone Sale price¥49,800

[Sold at 10 PM on September 13th] Brazilian Indigolite Tourmaline 0.715ct Loose Stone with Certificate of Authenticity Sale price¥45,800

[Sale at 10 PM on September 13th] [Sakura Shape] Siberian Blue Quartz (Synthetic Quartz) 1.171ct Loose Stone Sale price¥39,800

Zimbabwean Bicolor Euclase 0.183ct Loose Stone Sale price¥49,800

[Sold at 10 PM on September 6th] Tanzanian Magnesioaxinite 0.380ct Loose Stone, Japan-Germany Qualification Sale price¥39,800

Particolor tourmaline 24.147ct loose Sale price¥49,800

Red beryl 0.310ct loose Sale price¥39,800

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.