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カラーレスジルコン 0.512ctルース

Cambodian colorless zircon 0.512ct loose stone Sale price¥8,800
Sold out カンボジア産カラーレスジルコン 0.533ctルース

Cambodian colorless zircon 0.533ct loose stone
カンボジア産カラーレスジルコン 0.309ctルース

Cambodian colorless zircon 0.309ct loose stone Sale price¥4,980
【12555409掲載】メキシコ産カンテラオパール 3.280ctルース

Mexican Cantera Opal 3.280ct Loose Sale price¥9,800
ペタライト 0.713ctルース

Brazilian Petalite 0.713ct loose stone Sale price¥5,980
ペタライト 1.654ctルース

Brazilian Petalite 1.654ct loose stone Sale price¥9,800
カンテラオパール 1.534ctルース

Mexican Cantera Opal 1.534ct ​​Loose Sale price¥8,800
Limited to 12 stones: 1 loose Australian iron opal (average 28ct, October birthstone opal) Multiple purchase discounts available

Limited to 12 stones: 1 loose Australian iron opal (average 28ct, October birthstone opal) Multiple purchase discounts available Sale price¥7,980
Mausithit from Myanmar 5.246ct loose (Maushitsit)

Mausithit from Myanmar 5.246ct loose (Maushitsit) Sale price¥5,980
Mexican Smithsonite 2.697ct loose stone

Mexican Smithsonite 2.697ct loose stone Sale price¥9,800
Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available}

Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,580
Limited to 7 stones: 1 loose Australian iron opal (average 7ct, October birthstone opal) Multiple purchase discounts available

Limited to 7 stones: 1 loose Australian iron opal (average 7ct, October birthstone opal) Multiple purchase discounts available Sale price¥4,980
オレゴンサンストーン 0.206ctルース

Oregon Sunstone from the United States 4.0mm/0.206ct loose stone Sale price¥8,800
オレゴンサンストーン 0.204ctルース

Oregon Sunstone from the United States 4.0mm/0.204ct loose stone Sale price¥6,980
Limited quantity: Colombian mango quartz (medium size) Multiple purchase discounts available

Limited quantity: Colombian mango quartz (medium size) Multiple purchase discounts available Sale price¥1,680
Limited Quantity: Colombian Mango Quartz (Small Size - Slim Type) Multiple Purchase Discounts Available

Limited Quantity: Colombian Mango Quartz (Small Size - Slim Type) Multiple Purchase Discounts Available Sale price¥1,180
Limited Quantity: Colombian Mango Quartz (Small - Thick) Multiple Purchase Discounts Available

Limited Quantity: Colombian Mango Quartz (Small - Thick) Multiple Purchase Discounts Available Sale price¥1,280
ライモナイトイントパーズ 3.399ctルース

Brazilian Limonite in Topaz 3.399ct loose stone Sale price¥8,800
エチオピア産オパール 1.433ctルース

Ethiopian Opal 1.433ct Loose Sale price¥3,980
インド産カバンサイト 1.717ctルース

Indian Cavansite 1.717ct loose stone Sale price¥8,800
Limited to 18 stones: YAG (Yttrium Aluminum Garnet) 1 loose stone (Canary Yellow, 4mm) Multiple purchase discounts available

Limited to 18 stones: YAG (Yttrium Aluminum Garnet) 1 loose stone (Canary Yellow, 4mm) Multiple purchase discounts available Sale price¥2,980
Limited to 7 stones: 1 loose Australian boulder opal (average 25 carats) Multiple purchase discounts available

Limited to 7 stones: 1 loose Australian boulder opal (average 25 carats) Multiple purchase discounts available Sale price¥8,800
《17色》宝石ガチャガチャ💎新作モアッサナイト6.5mm（H&C ハート＆キューピッド）💎《複数購入割引有》 - カラッツSTORE

《17 colors》Gem Gacha💎Synthetic Moissanite 1 stone loose (H&C Heart & Cupid, 6.5mm)💎《Multiple purchase discount available》 Sale price¥5,980
{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available}

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980
モスアゲート 0.755ctルース

Indian Moss Agate 0.755ct Loose Stone Sale price¥7,980
トルマリン 0.541ctルース

Tourmaline 0.541ct loose stone Sale price¥8,800
バイカラートルマリン 0.326ctルース

Brazilian bicolor tourmaline 0.326ct loose stone Sale price¥8,800
ピンクトルマリン 0.538ctルース

Brazilian Pink Tourmaline 0.538ct Loose Stone Sale price¥8,800
ブラジル産グリーントルマリン 0.350ctルース

Brazilian Green Tourmaline 0.350ct Loose Sale price¥9,800
Limited to 17 stones, 1 loose Sugilite stone from South Africa, multiple purchase discounts available

Limited to 17 stones, 1 loose Sugilite stone from South Africa, multiple purchase discounts available Sale price¥2,980
Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available)

Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available) Sale price¥8,800
ブラジル産ライモナイトイントパーズ 5.709ctルース

Brazilian Limonite in Topaz 5.709ct loose stone Sale price¥9,800
Limited to 6 sets: Apatite 3-stone set (yellow, green, and blue) Multiple purchase discounts available

Limited to 6 sets: Apatite 3-stone set (yellow, green, and blue) Multiple purchase discounts available Sale price¥5,980
ブラジル産ポンポンクォーツ（ラジエーテッド クリスタルインクォーツ） 3.913ctルース

Brazilian Pompon Quartz (Radiated Crystal in Quartz) 3.913ct Loose Stone Sale price¥9,800
ブラジル産バイカラーユークレース 0.286ctルース

Brazilian bicolor euclase 0.286ct loose stone Sale price¥8,800
ウンバサファイア（タンザニア産） 0.182ctルース

Umba Sapphire (Tanzania) 0.182ct loose stone Sale price¥7,980
Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available

Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available Sale price¥3,980
Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases.

Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980
[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white)

[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white) Sale price¥3,980
Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available]

Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available] Sale price¥5,980
[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available]

[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available] Sale price¥6,980
Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases.

Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980
Limited to 5 stones: 1 synthetic moissanite loose stone (Sanjay cut hexagonal, 6mm) Multiple purchase discounts available

Limited to 5 stones: 1 synthetic moissanite loose stone (Sanjay cut hexagonal, 6mm) Multiple purchase discounts available Sale price¥8,800
Gemstone encyclopedia playing cards + a lucky bag containing four gemstones (worth 10,000 yen)

Gemstone encyclopedia playing cards + a lucky bag containing four gemstones (worth 10,000 yen) Sale price¥6,000
January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners}

January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners} Sale price¥2,980
April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners}

April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners}

March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners}

November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

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.