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Items under 10,000 yen

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Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 2.9 carats) Multiple purchase discounts available

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 2.9 carats) Multiple purchase discounts available Sale price¥3,580
Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 1.8 carats) Multiple purchase discounts available

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 1.8 carats) Multiple purchase discounts available Sale price¥2,580
Limited to 33 stones: 1 rough Arizona turquoise with pyrite (December birthstone) Multiple purchase discounts available

Limited to 33 stones: 1 rough Arizona turquoise with pyrite (December birthstone) Multiple purchase discounts available Sale price¥1,000
Limited to 6 stones: 1 Montebrasite stone from Madagascar (round cut, 4mm) Multiple purchase discounts available

Limited to 6 stones: 1 Montebrasite stone from Madagascar (round cut, 4mm) Multiple purchase discounts available Sale price¥3,980
ブラジル産バイカラートルマリン 0.644ctルース

Brazilian bicolor tourmaline 0.644ct loose stone Sale price¥9,800
スリランカ産シルキーサファイア 0.975ctルース

Silky sapphire from Sri Lanka 0.975ct loose Sale price¥8,800
デンドリティッククォーツ 2.381ctルース

Brazilian dendritic quartz 2.381ct loose stone Sale price¥7,980
カラーレスジルコン 0.676ctルース

Cambodian colorless zircon 0.676ct loose stone (orange fluorescence) Sale price¥6,980
ブラジル産クォーツ 15.019ctルース

Brazilian Quartz (Striped Quartz) 15.019ct Loose Patch Sale price¥8,800
ブラジル産ペタライト 0.615ctルース

Brazilian Petalite 0.615ct loose stone Sale price¥6,980
ブルーベリル（マシシベリル） 0.199ctルース

Blue beryl (Macis beryl) 0.199ct loose stone Sale price¥9,800
メキシコ産ファイアオパール（ファセットカット） 0.352ctルース

Mexican Fire Opal (Faceted Cut) 0.352ct Loose Sale price¥9,800
Brazilian Blue Tourmaline 0.650ct Loose

Brazilian Blue Tourmaline 0.650ct Loose Sale price¥9,800
イタリア産リューサイト 0.287ctルース

Italian Leucite 0.287ct loose stone (play of color) Sale price¥9,800
【12543382掲載】バイカラータンザナイト 1.644ct原石

Tanzanian bicolor tanzanite 1.644ct rough and loose stone set of 2 Sale price¥8,800
【12541585掲載】アルマンディンガーネット 2.476ctルース

[Rouge cut] Almandine garnet 2.476ct loose stone Sale price¥9,800
Tanzanian Dravite rough stone 24.5 x 10.5 x 7.7 mm [Gemstone Encyclopedia]

Tanzanian Dravite rough stone 24.5 x 10.5 x 7.7 mm [Gemstone Encyclopedia] Sale price¥9,800
【12556002掲載】マダガスカル産アパタイト 0.916ctルース

Madagascar Blue Apatite 0.916ct Loose Stone Sale price¥8,800
Myanmar spinel 4.0mm/0.263ct loose stone

Myanmar spinel 4.0mm/0.263ct loose stone Sale price¥7,980
ブルーベリル（マシシベリル） 0.152ctルース

Blue beryl (Macis beryl) 3.5mm/0.152ct loose stone Sale price¥8,800
ブルーベリル（マシシベリル） 0.176ctルース

Blue Beryl (Macisi Beryl) 3.6mm/0.176ct loose stone Sale price¥8,800
インド産ムーンストーン 0.749ctルース

Indian Moonstone 6.2mm/0.749ct Loose Sale price¥7,980
ブラジル産ルチルクォーツ（ルチルレイテッドクォーツ）12mm/7.140ctルース

Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone Sale price¥9,800
ブラジル産ルチルクォーツ（ルチルレイテッドクォーツ） 12mm/6.709ctルース

Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone Sale price¥9,800
バイカラートルマリン 0.763ctルース

Brazilian bicolor tourmaline 0.763ct loose stone Sale price¥7,980
バイカラータンザナイト 3.018ct原石

Tanzanian bicolor tanzanite 3.018ct rough and loose stone set of 2 Sale price¥6,980
Limited to 18 stones: Mozambique ruby ​​(princess cut, 2.3-2.5mm) Multiple purchase discounts available

Limited to 18 stones: Mozambique ruby ​​(princess cut, 2.3-2.5mm) Multiple purchase discounts available Sale price¥3,980
タンザニア産バイカラーゾイサイト 0.450ctルース

Tanzania Bicolor Zoisite 0.450ct Loose Stone Sale price¥9,800
タンザニア産タンザナイト 0.478ctルース

Tanzanite from Tanzania 0.478ct loose stone Sale price¥9,800
タンザニア産タンザナイト 0.351ctルース

Tanzanite from Tanzania 0.351ct loose stone Sale price¥9,800
モルガナイト 1.296ctルース

Brazilian Morganite 1.296ct loose stone Sale price¥8,800
モンタナサファイア 0.272ctルース

Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire) Sale price¥9,800
Limited quantity: 1 impregnated ruby ​​loose (4mm, round cut, identification instructions included) Multiple purchase discounts available

Limited quantity: 1 impregnated ruby ​​loose (4mm, round cut, identification instructions included) Multiple purchase discounts available Sale price¥1,980
クォーツ 13.991ルース

Brazilian Quartz 13.991ct Loose Patch Sale price¥9,800
Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 1.8 carats) Multiple purchase discounts available

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 1.8 carats) Multiple purchase discounts available Sale price¥3,980
Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available Sale price¥4,980
Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases.

Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥5,980
YAG（イットリウムアルミニウムガーネット） 1.772ctルース

YAG (Yttrium Aluminum Garnet) 7.0mm/1.772ct loose stone Sale price¥9,800
バイカラートルマリン 1.209ctルース

Brazilian bicolor tourmaline 1.209ct loose stone Sale price¥9,800
モンタナサファイア 0.207ctルース

Montana Sapphire (Blue Sapphire) 0.207ct Loose Sale price¥6,980
スリランカ産クリソベリルキャッツアイ 0.519ctルース

Sri Lankan Chrysoberyl Cat's Eye 0.519ct Loose Stone Sale price¥8,800
ピンクスピネル 0.344ctルース

Myanmar pink spinel 0.344ct loose stone Sale price¥8,800
タンザニア産タンザナイト 0.250ctルース

Tanzanite from Tanzania 0.250ct loose stone Sale price¥7,980
タンザニア産バイカラーゾイサイト 0.320ctルース

Tanzania Bicolor Zoisite 0.320ct Loose Stone Sale price¥7,980
タンザニア産タンザナイト 0.321ctルース

Tanzanite from Tanzania 0.321ct loose stone Sale price¥6,980
タンザニア産タンザナイト 0.250ctルース

Tanzanite from Tanzania 0.250ct loose stone Sale price¥8,800
グリーントルマリン 0.764ctルース

Brazilian Green Tourmaline 0.764ct Loose Stone Sale price¥9,800
バイカラートルマリン 0.675ctルース

Brazilian bicolor tourmaline 0.675ct loose stone Sale price¥9,800

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'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.