Login

Items under 10,000 yen

Sort by
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
トラピッチェエメラルド 1.341ctルース

Colombian Trapiche Emerald 1.341ct Loose Sale price¥6,980
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 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases

Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases Sale price¥2,980
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
マダガスカル産サファイア 0.126ルース

Madagascar sapphire 3.0mm/0.126ct loose stone Sale price¥8,800
エメラルド 0.156ルース

Emerald 0.156ct loose stone Sale price¥8,800
カラーシフトアメジスト 1.216ルース

Color shift amethyst 1.216ct loose stone Sale price¥8,800
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
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
バイカラートルマリン 0.582ctルース

Brazilian bicolor tourmaline 0.582ct loose stone Sale price¥6,980
Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available

Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available Sale price¥2,980
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 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases.

Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥3,980
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
Tanzanite rough and loose stone set of 2 (average 3ct, cushion cut) from Tanzania {Multiple purchase discounts available}

Tanzanite rough and loose stone set of 2 (average 3ct, cushion cut) from Tanzania {Multiple purchase discounts available} Sale price¥6,980
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
イエローサファイア 0.344ctルース

Sri Lankan Yellow Sapphire 0.344ct Loose Sale price¥8,800
イエローサファイア 0.300ctルース

Sri Lankan Yellow Sapphire 0.300ct Loose Sale price¥8,800
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
ピンクトルマリン 0.448ctルース

Brazilian Pink Tourmaline 0.448ct Loose Stone Sale price¥8,800
イエローオパール 0.673ctルース

Mexican Yellow Opal 0.673ct Loose Sale price¥8,800
イエローオパール 0.428ctルース

Mexican Yellow Opal 0.428ct Loose Sale price¥8,800
カイヤナイト 1.042ctルース（通称：パライバカラーカイヤナイト）

Kyanite 1.042ct loose (commonly known as Paraiba color kyanite) Sale price¥8,800
カイヤナイト 1.052ctルース（通称：パライバカラーカイヤナイト）

Kyanite 1.052ct loose stone (commonly known as Paraiba color kyanite) Sale price¥9,800
カイヤナイト 0.963ctルース

Kyanite 0.963ct loose stone (commonly known as Paraiba color kyanite) Sale price¥6,980
アフガニスタン産ハックマナイト 15.600ct原石

Hackmanite from Afghanistan, 15.600ct rough stone Sale price¥8,800
ブラジル産ロマネサイトインクォーツ 4.331ctルース

Brazilian Romanesite in Quartz 4.331ct Loose Stone Sale price¥9,800
ミャンマー産パープルスピネル 0.514ctルース

Myanmar Purple Spinel 4.8mm/0.514ct Loose Stone Sale price¥6,980
[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available]

[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available] Sale price¥3,980
[Limited to 10 stones] Inca Rose from Argentina (Rhodochrosite, average 1.5ct) [Multiple purchase discount available]

[Limited to 10 stones] Inca Rose from Argentina (Rhodochrosite, average 1.5ct) [Multiple purchase discount available] Sale price¥5,980

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.