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¥50,000 - ¥100,000

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コロンビア産トラピッチェエメラルド 0.811ctルース

Colombian Trapiche Emerald 0.811ct Loose Sale price¥59,800
ピンクダイヤモンド

Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2) Sale price¥98,000
カラーチェンジジルコン 0.626ctルース

Myanmar color change zircon 0.626ct loose stone Sale price¥55,800
ブラジル産デュモルチェライトインクォーツ 3.169ctルース

[Koshu Precious Stone Cutting] Brazilian Dumortierite in Quartz 3.169ct Loose Patch Sale price¥55,800
タンザニア産バイカラーゾイサイト 2.603ctルース

Tanzania Bicolor Zoisite 2.603ct Loose Stone Sale price¥88,800
タンザニア産タンザナイト 1.427ctルース

Tanzanite from Tanzania 7.0mm/1.427ct loose stone Sale price¥55,800
タンザニア産バイカラーゾイサイト 2.665ctルース

Tanzania Bicolor Zoisite 2.665ct Loose Stone Sale price¥98,000
ロシア産デマントイドガーネット（ホーステール認む） 0.304ctルース

Russian Demantoid Garnet (Horsetail Recognized) 4.2mm/0.304ct Loose Stone Sale price¥98,000
【カラフリ】K18WGブラウンダイヤモンドリング

[Colorful] K18WG Brown Diamond Ring Sale price¥69,800
コロンビア産ユークレース 2.276ctルース

Colombian Euclase 2.276ct loose stone Sale price¥69,800
コロンビア産ユークレース 1.157ctルース

Colombian Euclase 1.157ct loose stone Sale price¥69,800
ブラジル産パライバトルマリン 0.188ctルース

Brazilian Paraiba Tourmaline 0.188ct Loose Stone (CuO: 1.1%, MnO: 4.0%) GIT Sale price¥55,800
非加熱ブラジル産パライバトルマリン 0.075ctルース（CuO:1.7%、MnO:1.9%）

Unheated Brazilian Paraiba Tourmaline 0.075ct loose stone (CuO: 1.7%, MnO: 1.9%) Sale price¥59,800
ジンバブエ産バイカラーユークレース 0.087ctルース

Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone Sale price¥55,800
K18YGアフガニスタン産クンツァイト 0.74ct・タンザナイト・サファイアリング

K18YG Afghan Kunzite 0.74ct, Tanzanite, Sapphire Ring Sale price¥79,800
K18YG ミャンマー産ルビー ペンダント（ネックレス）

K18YG Myanmar Ruby, Padparadscha Color Sapphire, Yellow Diamond Pendant (Necklace) Sale price¥98,000
アフガニスタン産アウイナイト 0.152ctルース

Afghanistan Awinite 0.152ct loose stone JTL catalog Sale price¥69,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)

Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting) Sale price¥79,800
Myanmar spinel and Brazilian amethyst 7 stone set ring (Alterno setting)

Myanmar spinel and Brazilian amethyst 7 stone set ring (Alterno setting) Sale price¥79,800
Sri Lankan spinel and Madagascar grandidierite 7 stone set ring (Alterno setting)

Sri Lankan spinel and Madagascar grandidierite 7 stone set ring (Alterno setting) Sale price¥79,800
[On sale from 10pm on 12/29] Sri Lankan blue sapphire and 10 Vietnamese silky pink sapphires in a half eternity ring set (approx. 2.6mm)

[On sale from 10pm on 12/29] Sri Lankan blue sapphire and 10 Vietnamese silky pink sapphires in a half eternity ring set (approx. 2.6mm) Sale price¥98,000
Tanzanian kornerupine and Australian chrysoprase 7-stone set ring (Alterno setting)

Tanzanian kornerupine and Australian chrysoprase 7-stone set ring (Alterno setting) Sale price¥79,800
Camellia 13-stone set (Imperial topaz, Oregon sunstone, Andalusite, Padparadscha color sapphire, etc.) Half eternity ring set (2.0mm)

Camellia 13-stone set (Imperial topaz, Oregon sunstone, Andalusite, Padparadscha color sapphire, etc.) Half eternity ring set (2.0mm) Sale price¥89,800
Green Garden 13 Stone Set (Emerald, Demantoid Garnet, Grandidierite, etc.) Half Eternity Ring Set (2.0mm)

Green Garden 13 Stone Set (Emerald, Demantoid Garnet, Grandidierite, etc.) Half Eternity Ring Set (2.0mm) Sale price¥89,800
非加熱ブラジル産パライバトルマリン 0.045ctルース

Unheated Brazilian Paraiba Tourmaline 0.045ct loose stone (CuO: 2.0%, MnO: 2.2%) Sale price¥59,800
ダイヤモンド 4.1mm/0.263ルース(I, VVS2, 3Excellent H&C)

Diamond 4.1mm/0.263 Loose (I, VVS2, 3Excellent H&C) Sale price¥55,800
ダイヤモンド 3.8mm/0.209ルース(G, VVS1, 3Excellent H&C)

Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C) Sale price¥59,800
ファンシーイエローダイヤモンド 0.227ルース(FANCY YELLOW, I-2)

Fancy Yellow Diamond 0.227 Loose (FANCY YELLOW, I-2) Sale price¥59,800
Salt and pepper diamond & black diamond 13 stone half eternity ring set (2.0mm)

Salt and pepper diamond & black diamond 13 stone half eternity ring set (2.0mm) Sale price¥89,800
Lab-grown diamond (synthetic green diamond) 13 stone half eternity ring set (2.0mm)

Lab-grown diamond (synthetic green diamond) 13 stone half eternity ring set (2.0mm) Sale price¥89,800
Pt900マラヤガーネット2.01 ペンダントトップ（ネックレストップ）

Pt900 Tanzanian Malaya Garnet 2.01ct Diamond Pendant (Necklace) Sale price¥59,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥74,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥74,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥79,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥74,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥89,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥74,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥74,800
合成ブラックオパール 10.910ctルース

Synthetic Opal (Synthetic Black Opal) 10.910ct Loose Sale price¥69,800
スファレライト 6.494ctルース

Spanish Sphalerite 6.494ct loose stone Sale price¥69,800
バイカラースファレライト 5.289ctルース

Spanish bicolor sphalerite 5.289ct loose stone Sale price¥59,800
K18YG コロンビア産エメラルド 0.184ct リング

[Sale on hold due to use in E28 event announcement] K18YG Colombian emerald 0.184ct diamond ring Sale price¥98,000
Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone (CuO: 1.8%, MnO: 2.5%)

Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone (CuO: 1.8%, MnO: 2.5%) Sale price¥59,800
Unheated Brazilian Paraiba Tourmaline 0.064ct loose stone (CuO: 1.8%, MnO: 2.1%)

Unheated Brazilian Paraiba Tourmaline 0.064ct loose stone (CuO: 1.8%, MnO: 2.1%) Sale price¥59,800
【ダンデライオンカット】ピンクトルマリン 1.260ctルース - カラッツSTORE

[Dandelion Cut] Brazilian Pink Tourmaline 7mm Loose Patch Sale price¥55,800
Pt900 Colombian emerald 0.60ct diamond 0.19ct ring

Pt900 Colombian emerald 0.60ct diamond 0.19ct ring Sale price¥98,000
【KEN氏】バイカラーサファイア 2.040ctルース - カラッツSTORE

Bicolor sapphire 2.040ct loose stone Sale price¥59,800
【さくらシェイプ】メキシコ産オパール 2.551ctルース ワッペン

[Sakura Shape] Mexican Opal 2.551ct Loose Patch Sale price¥59,800

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.