¥10,000 - ¥30,000

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【4/20 22時販売】シーライト 2.737ctルース - カラッツSTORE

Sealyite from California, USA, 2.737ct loose stone, with identification certificate

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Oregon Sunstone from the USA, 8.1mm/1.893ct, loose

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[Published 12562689] Mexican Water Opal 1.018ct Loose Stone

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Tanzanian Orange Spinel 3.9mm/0.273ct Loose Stone with Gemstone Report

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Myanmar Red Spinel 3.7mm/0.257ct Loose Gemstone with Certificate

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[On sale May 2 at 10 PM] Tanzanian Hot Pink Spinel 0.204ct Loose Stone with Certificate

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[12562802 posted] Chinese Cinnabar (Shansha) 0.935 ct Loose

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[On sale May 1st at 10 PM] China Hunan Province Cinnabar Loose Stone 0.982ct with Certification

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Mexican Cantera Opal 8.097ct Loose

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【32501878掲載】グレーダイヤモンド 0.109ctルース(VERY LIGHT GRAY, SI-1)

Gray Diamond 3.0mm/0.109ct Loose (VERY LIGHT GRAY, SI-1)

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Lazulite from Pakistan 2.5mm/0.063ct Loose Gemstone with Certificate

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[On sale 5/9 10 PM] Lazurite from Pakistan 0.103ct Loose with identification report

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【12562829掲載】コロンビア産パイライト付ユークレース 23.430ct原石

Euclase with pyrite from Colombia 23.430ct Rough, Hōki Kyōso

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Colombian mica in emerald 1.314ct loose

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Tanzanian Bicolor Tanzanite 0.419 ct Loose Stone

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Brazilian Flower Quartz 6.501ct Loose Stone

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Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.254ct Loose Stone

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[On sale May 1st at 10 PM JST] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.206ct Loose Stone

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Madagascar Bekily Blue Garnet (Color Change Garnet) 0.221ct Loose Stone

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Brazilian Swiss Blue Topaz 1.198ct Loose

coming soon

Rough Tanzanian Alexandrite 0.843ct Sale price¥29,800

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[On sale 5/5 at 22:00] Colombian Emerald 4.7mm/0.468ct Loose Stone

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【12562785掲載】コロンビア産エメラルドキャッツアイ 0.574ctルース

【On sale May 2nd, 10 PM JST】Colombian Emerald Cat's Eye 0.574ct Loose Stone

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Pt950 スイスブルートパーズ 3.5ct ペンダントトップ（ネックレストップ）鑑別書

[On Sale May 26th, 10 PM] Colorful Pt950 Swiss Blue Topaz 3.5ct Pendant Top (Necklace Top) with Appraisal Report

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[On sale May 14th at 10 PM] [Colorfri] K18PG Morganite and 0.04ct Diamond Pendant Top (Necklace Top) with Appraisal Report

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[Sales start May 2, 10 PM] K18 Tanzanite Chain Ring

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[On sale May 2nd at 10 PM] K18 Blue Sapphire Ring

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[On sale May 2nd at 10 PM] K18 Citrine Chain Ring

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ダイヤモンド 3.0mm/0.101ctルース(D, VVS-2, VeryGood)

Diamond 3.0mm/0.101ct Loose Stone (D, VVS-2, VeryGood)

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Diamond 3.0mm/0.095ct Loose (F, VS-2, Excellent)

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【32501889掲載】ダイヤモンド（H&C） 0.194ctルース(G, VVS-1, 3Excellent H&C)

Diamond (H&C) 3.7mm/0.194ct Loose (G, VVS-1, 3Excellent H&C)

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[Sales begin May 2nd, 10 PM JST] K18 Almandine Garnet Chain Ring

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[On sale May 1st at 10 PM JST] China Hunan Cinnabar (Synsha/Cinnabar) 0.635ct Loose Gemstone with Certificate

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[On sale May 6, 10 PM JST] Mexican Cantera Opal Loose Stone, 2.096 ct

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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） 1.374ctルース

[For sale May 23, 10 PM JST] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 6.7mm/1.374ct Loose Stone

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[On Sale May 10th at 10 PM] Afghanistan Lapis Lazuli 9.7mm / 3.279ct Rose Cut Loose Stone

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[Sales begin May 10, 10 PM JST] Afghanistan Lapis Lazuli 9.7mm / 3.268ct Loose Stone (Rose Cut)

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[Sale on May 12th at 10 PM] Teal Blue Sapphire 0.275 ct Loose Stone

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[On sale May 24th at 10 PM] Australian Black Opal 0.522ct Loose Stone

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[On sale May 21st, 10 PM JST] Brazilian London Blue Topaz 5.978ct Loose Gemstone

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【On Sale May 21st, 10 PM JST】Synthetic Sapphire 2.348 ct Loose Stone

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【Sales from 10 PM on May 17th】Synthetic Alexandrite 0.557ct Loose Stone

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[On sale May 15th at 10 PM] Synthetic Alexandrite 1.355ct Loose Stone

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[On sale 10 PM, May 15th] Synthetic Alexandrite Loose Stone, 1.355 ct

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Myanmar trapichel ruby 0.288ct loose

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Sri Lankan Yellow Sapphire 0.782ct Loose

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.