Login

Sale

Sort by
0.308ct Unset Yellow Sapphire (Sri Lankan)

0.308ct Unset Yellow Sapphire (Sri Lankan) Sale price¥13,800
《Limited Edition》Chilean Seruleite (Japanese name: Pseudoturquoise) 4x5mm Cabochon Single Stone Loose《Bulk Purchase Discount Available》

《Limited Edition》Chilean Seruleite (Japanese name: Pseudoturquoise) 4x5mm Cabochon Single Stone Loose《Bulk Purchase Discount Available》 Sale price¥3,980
Limited to 10 stones: Cambodian Pink Zircon Loose Stone (Avg. 0.50ct) - Multiple Purchase Discount Available

Limited to 10 stones: Cambodian Pink Zircon Loose Stone (Avg. 0.50ct) - Multiple Purchase Discount Available Sale price¥3,980
《Limited to 5 stones》Fluorescent brown diamond single loose stone (pear shape, SI clarity equivalent, 0.2ct UP) 《Bulk purchase discount available》

《Limited to 5 stones》Fluorescent brown diamond single loose stone (pear shape, SI clarity equivalent, 0.2ct UP) 《Bulk purchase discount available》 Sale price¥4,980
【12562584掲載】パキスタン産ラズライト（天藍石） 0.173ctルース

Lazurite (Lapis Lazuli) from Pakistan 0.173ct Loose Stone with Gemstone Identification Report Sale price¥34,800
Pakistani Lapis Lazuli (Lazurite) 0.150ct Loose Stone with Certificate

Pakistani Lapis Lazuli (Lazurite) 0.150ct Loose Stone with Certificate Sale price¥29,800
ナミビア産ジェレメジェバイト 0.073ctルース 鑑別書

Jeremejevite 0.073ct Loose Stone from Namibia with Identification Report Sale price¥15,800
【12562840掲載】メキシコ産カンテラオパール 32.560ctルース

Mexican Cantera Opal 32.560ct Loose Sale price¥29,800
【12562839掲載】メキシコ産カンテラオパール 27.410ctルース

27.410ct Mexican Cantera Opal Loose Gemstone Sale price¥25,800
【12562837掲載】ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 6.020ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone Sale price¥15,800
【12562836掲載】アメリカ産オレゴンサンストーン 2.120ctルース

Loose 2.120ct Oregon Sunstone from the USA Sale price¥18,800
【12562835掲載】ジンバブエ産ユークレース 2.976ct原石

Zimbabwean Bi-Color Euclase Rough 2.976 ct Sale price¥59,800
【12562833掲載】スファレライト 1.320ctルース

Spanish Sphalerite 6.2mm/1.320ct loose stone Sale price¥12,800
【12562832掲載】アメリカ産オレゴンサンストーン 0.941ctルース

Oregon Sunstone from the United States 0.941ct loose stone Sale price¥12,800
Tanzanian Yellow Scapolite 1.780ct Loose

Tanzanian Yellow Scapolite 1.780ct Loose Sale price¥8,800
Brazilian Bicolor Tourmaline 0.780ct Loose

Brazilian Bicolor Tourmaline 0.780ct Loose Sale price¥12,800
【12562849掲載】フィンランド産ラブラドライト 56.209ctルース

Finnish Labradorite 56.209ct Loose Gemstone Sale price¥16,800
【12562851掲載】ファイアーアゲート 3.613ctルース

Mexican fire agate 3.613ct loose Sale price¥14,800
《Limited to 10 stones》Mozambique Grape Garnet loose stone (6×4mm, pear cut) 《Bulk purchase discount available》

《Limited to 10 stones》Mozambique Grape Garnet loose stone (6×4mm, pear cut) 《Bulk purchase discount available》 Sale price¥3,980
K18 血赤珊瑚 ペンダントトップ（ネックレストップ）

[Karafuru] K18 Blood Coral 7.0mm Ring with Appraisal Report Sale price¥98,000
【12562020掲載】アメリカ産ダトライト 0.904ctルース

0.904ct Datolite, USA (Westfield, Manchester) Loose, with Japan-Germany certification Sale price¥29,800
エメラルド 15.219ctルース 日独鑑

Natural Emerald from Brazil, 15.219 ct, Loose Stone, Nichidoku Identification Report Sale price¥398,000
グレーダイヤモンド 2.8mm/0.089ctルース(LIGHT GRAY, SI-2)

Gray Diamond 2.8mm/0.089ct Loose (LIGHT GRAY, SI-2) Sale price¥16,800
カメレオンダイヤモンド 0.079ctルース(FANCY LIGHT GRAY GREEN, SI-1)

Green Diamond, Chameleon Diamond 0.079ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥25,800
【12562811掲載】メキシコ産カンテラオパール 10.379ctルース

Mexican Cantera Opal 10.379ct Loose Stone Sale price¥39,800
【12562809掲載】メキシコ産カンテラオパール 7.619ctルース

Mexican Cantera Opal 7.619 ct Loose Stone Sale price¥25,800
メキシコ産カンテラオパール 7.207ctルース

Mexican Cantera Opal 7.207ct Loose Sale price¥25,800
【12562806掲載】メキシコ産カンテラオパール 3.051ctルース

Mexican Cantera Opal 3.051ct Loose Stone Sale price¥18,800
【12562804掲載】メキシコ産カンテラオパール 1.867ctルース

Mexican Cantera Opal 1.867 ct Loose Stone Sale price¥12,800
スリランカ産トパーズキャッツアイ 3.384ctルース

Sri Lankan Topaz Cat's Eye 3.384ct Loose with Japanese-German gemological certificate Sale price¥12,800
スリランカ産エンスタタイト 1.877ctルース

Sri Lankan Colorless Enstatite 1.877 ct Loose with Japan-Germany Gemological Report Sale price¥29,800
スリランカ産エンスタタイト 2.567ctルース

2.567ct Enstatite from Sri Lanka, Loose Gemstone, Nichidoku Identification Sale price¥18,800
アンデシン 18.643ctルース

Tibetan Andesine 18.643ct Loose Stone, Japan & Germany Gemological Institute certified Sale price¥98,000
オーストラリア産ブラックオパール 6.558ctルース

6.558ct Loose Australian Black Opal with Certificate of Authenticity Sale price¥39,800
ドミニカ共和国産ラリマー 33.829ctルース

Dominican Republic Larimar, 33.829ct Loose Stone, Japan-Germany Gemological Report Sale price¥49,800
タンザニア産スペサルティンガーネット 0.417ctルース

Loose Tanzanian spessartine garnet, 0.417ct Sale price¥12,800
タンザニア産スペサルティンガーネット 0.359ctルース

Tanzanian Spessartine Garnet 0.359ct Loose Stone Sale price¥9,800
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany

Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany Sale price¥5,980
【12560362掲載】ブラウンダイヤモンド 0.989ctルース

Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2) Sale price¥98,000

[Option] Laser engraving of characters and symbols Sale price¥2,000
《Limited to 13 stones, Tucson Arrivals》Kenya Bi-Color Grossular Garnet, usually ¥29,800, average 0.63ct. Tucson Arrivals 《Multiple Purchase Discount Available》

《Limited to 13 stones, Tucson Arrivals》Kenya Bi-Color Grossular Garnet, usually ¥29,800, average 0.63ct. Tucson Arrivals 《Multiple Purchase Discount Available》 Sale price¥9,800
K18WG グリーンクォーツ ペンダントトップ（ネックレストップ）

[Calafuri] K18WG Green Quartz Pendant Top (Necklace Top) Sale price¥59,800
【22602556掲載】K18 ロッククリスタル リング

K18 Rock Crystal Ring Sale price¥42,800
【22602554掲載】K18 ペリドット リング

K18 Peridot and Diamond 0.03ct Ring Sale price¥45,800
【22602553掲載】K18 ペリドット リング

K18 Peridot and Diamond 0.03ct Ring Sale price¥45,800
K18WGクリノヒューマイト1.79ct ・ダイヤモンドペンダントトップ（ネックレストップ）

[ColorFleuri] K18WG Clinohumite 1.79ct and Diamond 0.12ct Pendant Top (Necklace Top) with Japanese and German Gemstone Report Sale price¥98,000
Pt950プレーナイトペンダントトップ（ネックレストップ）

[Colorful] Pt950 Play Night Pendant Top (Necklace Top) Sale price¥69,800
Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose

Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose 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.