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Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases.

Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases. Sale price¥3,980
メキシコ産オパール 1.465ctルース

[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch Sale price¥45,800
【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
【さくらシェイプ】ブラジル産アメトリン 20mm/21.554ct《コラボ》ルース　ワッペン

[Sakura Shape] Brazilian Ametrine 20mm/21.554ct {Collaboration} Loose Patch Sale price¥98,000
【さくらシェイプ】ブラジル産グリーントルマリン6.7mm/ 1.057ctルース

[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch Sale price¥39,800
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone

【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone Sale price¥39,800
[Sakura Shape] Oregon Sunstone from the United States, 1.224ct Loose

[Sakura Shape] Oregon Sunstone from the United States, 1.224ct Loose Sale price¥39,800
Sold out [Sakura Shape Jewelry] Hanakoromo (Ring/Silver)

[Sakura Shape Jewelry] Hanakoromo (Ring/Silver)

Sold out Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Sold out [Sakura Shape Jewelry] Hanayurara (Vatican Necklace)

[Sakura Shape Jewelry] Hanayurara (Vatican Necklace)

Sold out [Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)

[Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)

Sold out [On sale June 7th at 10 PM] Limited to 10 stones: Flower-cut gem gacha 💎 Cherry blossom shape normally 39,800 yen, and a ruby with a new cut (plus an extra new cut) 《Multiple purchase discount available》

[On sale June 7th at 10 PM] Limited to 10 stones: Flower-cut gem gacha 💎 Cherry blossom shape normally 39,800 yen, and a ruby with a new cut (plus an extra new cut) 《Multiple purchase discount available》
Sold out [Sakura Shape Jewelry] Hanaboshi (double hanging necklace)

[Sakura Shape Jewelry] Hanaboshi (double hanging necklace)

Sold out [Sakura Shape] Synthetic Sapphire 3.285ct Loose Stone

[Sakura Shape] Synthetic Sapphire 3.285ct Loose Stone
Sold out 【Sakura Shape】Oregon Sunstone 1.174ct Loose

【Sakura Shape】Oregon Sunstone 1.174ct Loose
Sold out [Sakura Shape] Oregon Sunstone from the United States, 1.104ct Loose

[Sakura Shape] Oregon Sunstone from the United States, 1.104ct Loose

Sold out [Sakura Shape] Oregon Sunstone from the United States, 1.201ct Loose

[Sakura Shape] Oregon Sunstone from the United States, 1.201ct Loose

Sold out 【さくらシェイプ】カンボジア産ブルージルコン 8mm/2.909ct《コラボ》ルース ワッペン

[Sakura Shape] Cambodian Blue Zircon 8mm/2.909ct {Collaboration} Loose Patch

Sold out 【さくらシェイプ】合成サファイア 8.533ctルース

[Sakura Shape] Synthetic Sapphire 8.533ct Loose
Sold out タンザニア産タンザナイト 6mm/0.889ct《コラボ》ルース ワッペン

[Sakura Shape] Tanzanite from Tanzania 6mm/0.889ct {Collaboration} Loose Patch

Sold out 【さくらシェイプ】YAG（イットリウムアルミニウムガーネット） 7.0mm/1.985ct《コラボ》ルース ワッペン

[Sakura Shape] YAG (Yttrium Aluminum Garnet) 7.0mm/1.985ct {Collaboration} Loose Patch
Sold out ホワイトトパーズ 2.870ctルース

[Sakura Shape] Brazilian White Topaz 8.5mm/2.870ct {Collaboration} Loose Patch

Sold out 【さくらシェイプ】メキシコ産オパール 6.7mm/0.792ctルース（コントラルス）

[Sakura Shape] Mexican Opal 6.7mm/0.792ct {Collaboration} Loose (Contralus) Patch
Sold out 【さくらシェイプ】ブラジル産インペリアルトパーズ（シェリーカラー） 6.3mm/1.084ct《コラボ》ルース ワッペン

[Sakura Shape] Brazilian Imperial Topaz (Shelly Color) 6.3mm/1.084ct {Collaboration} Loose Patch
Sold out 【さくらシェイプ】タンザニア産カラーチェンジサファイア 7.1mm/1.667ctルース

[Sakura Shape] Tanzanian Color Change Sapphire 7.1mm/1.667ct Loose
Sold out トパーズ 2.211ctルース

Sakura Shape Brazilian Topaz 8.1mm/2.211ct Loose Stone
Sold out 【さくらシェイプ】スリランカ産グリーンジルコン 7.7mm/2.620ctルース

Sakura Shape Green Zircon from Sri Lanka, 7.7mm/2.620ct Loose
Sold out YAG（イットリウムアルミニウムガーネット） 2.026ctルース

[Sakura Shape] YAG (Yttrium Aluminum Garnet) 2.026ct Loose Stone with Appraisal

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.