0.5ct - 1.0ct

【9/6 22時販売】ピジョンブラッドルビー 5.2mm/0.930ctルース AIGS Sale price¥198,000

Fire opal 0.937ct loose stone Sale price¥3,980

Diamond 0.618ct loose (I, I1, tree cut) Sale price¥128,000

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.809ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.673ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on September 2nd] Brazilian Elestial Amethyst 0.724ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 28th] Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone Sale price¥29,800

[12560318] Congo pink tourmaline 0.798ct loose stone Sale price¥25,800

[12560313] Brazilian Green Tourmaline 0.755ct Loose Sale price¥18,800

[12560268] Madagascar Apatite 0.966ct Loose Stone Sale price¥12,800

[12560266] Madagascar Apatite 0.610ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 0.978ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on September 3rd] Madagascar Blue Sapphire 4.7mm/0.522ct Loose Sale price¥8,800

[12557415] Brazilian Bicolor Imperial Topaz 0.981ct Loose Sale price¥79,800

[12556620] Brazilian Emerald 0.945ct Loose Sale price¥25,800

【KEN氏】アフリカ産バイカラートルマリン 0.950ctルース（ファントムカット） - カラッツSTORE

African bicolor tourmaline 0.950ct loose stone (phantom cut) Sale price¥9,800

Bicolor sapphire 0.856ct 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） 5.2mm/0.633ctルース

Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose Sale price¥198,000

Bicolor tourmaline 0.780ct loose Sale price¥9,800

Color change Andesine 0.810ct loose Sale price¥9,800

Sphene 0.590ct loose Sale price¥3,980

Bicolor Benitoite 0.624ct Loose Japanese-German Edition Sale price¥188,000

【ダンデライオンカット】スピネル 5.7mm ルース《コラボ》（パープリッシュグレイ）ワッペン付

[Dandelion Cut] Spinel 5.7mm Loose "Collaboration" (Purplish Gray) with Patch Sale price¥39,800

[12560244] Bicolor Zoisite 0.508ct Loose Stone Sale price¥7,980

[Available at 10 PM on August 24th] Brazilian Mint-Colored Emerald, 5.5mm/0.638ct Loose Sale price¥8,800

[Available at 10 PM on August 24th] Cornflower Blue Sapphire 0.530ct Loose Stone AIGS Sale price¥128,000

[12558094] Leuco garnet 0.812ct loose stone Sale price¥59,800

Malaya garnet 0.972ct loose Sale price¥9,800

White sapphire 0.537ct loose Sale price¥15,800

【KEN氏】ヴァイオレットスピネル 0.514ctルース - カラッツSTORE

Violet spinel 0.514ct loose stone Sale price¥6,980

Purple spinel 0.825ct loose stone Sale price¥5,980

Zircon 0.654ct loose stone Sale price¥8,800

Morganite 0.960ct loose (Asscher cut) Sale price¥9,800

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） 0.550ctルース

Andesine Labradorite (commonly known as Rainbow Moonstone) 0.550ct loose Sale price¥6,980

Aquamarine 0.940ct loose stone Sale price¥8,800

Bicolor tourmaline 0.880ct loose Sale price¥8,800

[On Sale at 10 PM on August 16th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 0.901ct Loose Stone Sale price¥3,980

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

[On Sale at 10 PM on August 16th] 0.570ct Loose Oil-Free Russian Emerald, GIA Sale price¥298,000

[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 8th] Zimbabwean Euclase 0.545ct Rough Stone Sale price¥29,800

[On Sale at 10 PM on August 20th] American Peridot 0.546ct Loose Stone Sale price¥5,980

[On Sale at 10 PM on August 20th] Mexican Fire Opal (Faceted) 0.515ct Loose Sale price¥12,800

[Available at 10 PM on August 22nd] Indian Moonstone 6.2mm/0.810ct Loose Sale price¥8,800

[Available at 10 PM on August 22nd] Indian Moonstone 6.2mm/0.775ct Loose Sale price¥7,980

[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone Sale price¥6,980

[8/10 22:00 Sale] Brazilian Lepidocrocite in Quartz 0.953ct Loose Stone Sale price¥7,980

[On Sale at 10pm on August 10th] Australian Prehnite 5.5mm/0.538ct Loose Stone Sale price¥6,980

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.