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Sold out [On Sale at 10 PM on October 12th] Limited to 3 Stones: Myanmar Gray Spinel and Platinum Spinel (4.0mm, Round Cut) Loose Stone [Multiple Purchase Discounts Available]

[On Sale at 10 PM on October 12th] Limited to 3 Stones: Myanmar Gray Spinel and Platinum Spinel (4.0mm, Round Cut) Loose Stone [Multiple Purchase Discounts Available]

Sold out 【猫カット】ブラジル産ゲーサイトインアメジスト 0.561ctルース

[On Sale 10/7 at 10 PM] [Cat Cut] Brazilian Goethite-in-Amethyst 0.561ct Loose Stone
Sold out [Available at 10 PM on August 16th] [Limited to 9 stones] Spinel Gacha (August birthstone) including one bicolor spinel (0.93 ct) [Multiple purchase discounts available]

[Available at 10 PM on August 16th] [Limited to 9 stones] Spinel Gacha (August birthstone) including one bicolor spinel (0.93 ct) [Multiple purchase discounts available]

Sold out [Available at 10 PM on August 9th] [Limited to 2 stones] 1 Nigerian Cobalt Garnite [Multiple purchase discounts available]

[Available at 10 PM on August 9th] [Limited to 2 stones] 1 Nigerian Cobalt Garnite [Multiple purchase discounts available]
Sold out Limited quantity: Brazilian Paraiba tourmaline, 1 stone loose (Batalha mine, oval cut) Multiple purchase discounts available

Limited quantity: Brazilian Paraiba tourmaline, 1 stone loose (Batalha mine, oval cut) Multiple purchase discounts available
Sold out Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available}

Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available}

Sold out 安部祐一朗氏グッズセット【キャンバス＆アクルルキーホルダー＆オレゴンサンストーンの宝石】

Yuichiro Abe goods set [canvas & acrylic key chain & Oregon sunstone jewelry]

Sold out 【カメリアカット】レモンクォーツ8mmルース 直筆サイン付&ワッペン付 - カラッツSTORE

[Camellia cut] Lemon quartz 8mm loose with autograph and emblem

Sold out 【12525545掲載】アルマンディンガーネットキャッツアイ 1.820ctルース

Almandine garnet cat's eye 1.820ct loose

Sold out ブラジル産ラズライトインクォーツ 0.283ctルース

[On Sale at 10 PM on October 29th] Brazilian Lazurite in Quartz 4.5mm/0.283ct Loose Stone
Sold out インド産アイオライトサンストーン 0.520ctルース

[On Sale at 10pm on 10/27] Indian Iolite Sunstone 0.520ct Loose
Sold out インド産アイオライト 0.620ctルース

[10/27 22:00 Sale] Indian Iolite 0.620ct Loose Stone
Sold out 【サンジェ氏】サンストーン（イリュージョンサンストーン） 0.891ctルース

Sunstone (Illusion Sunstone) 0.891ct Loose
Sold out インド産アイオライトサンストーン 0.246ctルース

[On Sale at 10 PM on October 22nd] Indian Iolite Sunstone 4.2mm/0.246ct Loose Stone
Sold out メデューサクォーツ（パライバクォーツ） 1.098ctルース

[On Sale at 10 PM on October 25th] Brazilian Medusa Quartz (Paraiba Quartz) 1.098ct Loose Stone
Sold out インド産アイオライトサンストーン 0.331ctルース

[On Sale at 10 PM on October 25th] Indian Iolite Sunstone 0.331ct Loose
Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.868ctルース

[On Sale at 10:00 PM on October 12th] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.868ct Loose Stone

Sold out ブラジル産レインボーアクアマリン 2.698ctルース

[10/11 22:00 Sale] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 2.698ct Loose Stone
Sold out 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） 0.577ctルース

[On Sale at 10 PM on October 18th] Rainbow Garnet (Andradite Garnet) 0.577ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out ブラジル産ゴーシェナイト 1.611ctルース

[10/17 22:00 Sale] Brazilian Gashenite 1.611ct Loose Stone
Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.762ctルース

[Posted 12548515] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.762ct loose

Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.199ctルース

[Posted 12548511] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.199ct loose

Sold out [On Sale 10/11 at 10 PM] [Limited to 18 stones] Brazilian Paraiba Tourmaline (Cabochon Cut, Approx. 2.2mm) Loose Stone [Multiple Purchase Discounts Available]

[On Sale 10/11 at 10 PM] [Limited to 18 stones] Brazilian Paraiba Tourmaline (Cabochon Cut, Approx. 2.2mm) Loose Stone [Multiple Purchase Discounts Available]

Sold out ティンカーベルクォーツ（ピンクファイヤークォーツ） 5.001ctルース

Tinker Bell Quartz (Pink Fire Quartz) 5.001ct loose
Sold out 【ルージュカット】アルマンディンガーネット 1.725ctルース

[Rouge cut] Almandine garnet 1.725ct loose
Sold out ブラジル産レインボースキャポライト 0.652ctルース

Brazilian rainbow scapolite 6mm/0.652ct loose
Sold out ブラジル産メデューサクォーツ（パライバクォーツ） 2.248ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 2.248ct loose
Sold out コンゴ産ヘミモルファイト 0.537ctルース

Hemimorphite from Congo 0.537ct loose
Sold out オレゴンサンストーン 0.663ctルース

Oregon Sunstone 0.663ct loose
Sold out アフガニスタン産クンツァイト 3.340ctルース

[10/11 22:00 Sale] Afghanistan Kunzite 3.340ct Loose Stone
Sold out タンザニア産サンストーン（イリュージョンサンストーン） 0.347ctルース

[On Sale at 10 PM on October 8th] Tanzanian Sunstone (Illusion Sunstone) 0.347ct Loose Stone

Sold out ブラジル産エレスチャルアメジスト 1.058ctルース

[On Sale at 10 PM on September 28th] Brazilian Elestial Amethyst 1.058ct Loose Stone
Sold out アメリカ産ネプチュナイト 0.143ctルース

[On Sale at 10 PM on September 28th] American Neptunite 0.143ct Loose Stone
Sold out 【12541077掲載】エメラルド 67.796ct原石

[On sale at 10pm on August 7th] 67.796ct rough emerald
Sold out オリゴクレースサンストーン 6.080ctルース

[On Sale at 10pm on October 1st] Oligoclase Sunstone 6.080ct Loose Stone
Sold out インド産アイオライトサンストーン 0.699ctルース

[On Sale at 10 PM on September 20th] Indian Iolite Sunstone 0.699ct Loose
Sold out 【サンジェ氏】タンザナイト 0.810ctルース - カラッツSTORE

Tanzanite 0.810ct loose stone
Sold out ブルーサファイア 0.244ctルース

[On Sale at 10 PM on September 17th] 0.244ct Loose Blue Sapphire from Madagascar

Sold out フローライト 16.786ctルース

Fluorite 16.786ct loose
Sold out エメラルド 0.111ctルース

Emerald 0.111ct loose
Sold out 【猫カット】ブルーグリーントルマリン5.5mmルース

[Cat cut] Blue green tourmaline 5.5mm loose
Sold out タンザニア産ペリステライト 0.778ctルース

[On Sale at 10 PM on September 18th] Tanzanian Peristerite 0.778ct Loose Stone
Sold out ファイアオパール2石セット 1.440ctルース

Fire opal 2 stone set 1.440ct loose
Sold out イエローダイヤモンド 0.102ctルース（TLC／VSクラス相当）

Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent)

Sold out ブラジル産エレスチャルアメジスト 0.440ctルース

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.440ct Loose Stone
Sold out ブラジル産エレスチャルアメジスト 1.028ctルース

[On Sale at 10 PM on September 2nd] Brazilian Elestial Amethyst 1.028ct Loose Stone
Sold out ブラジル産エレスチャルアメジスト 0.845ctルース

[On Sale at 10 PM on September 7th] Brazilian Elestial Amethyst 0.845ct Loose Stone

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.