¥50,000 - ¥100,000

[12552038] Beryl Cat's Eye 32.703ct Loose Stone Sale price¥98,000

【COLORFLE】Pt900/K18 Diamond 0.22ct Ring with Certificate Sale price¥98,000

Colombian Trapiche Emerald, 1.874ct Loose Stone with Certification Sale price¥69,800

Pyrite in emerald from Chivor Mine, Colombia, 4.221 ct, loose Sale price¥98,000

ピンクダイヤモンド 0.030ctルース(FANCY PURPLISH PINK, SI-1)

Pink Diamond 1.95mm/0.030ct Loose Stone (FANCY PURPLISH PINK, SI-1) Central Gem Lab Sale price¥59,800

インターナリーフローレスダイヤモンド 0.320ctルース(G, IF, 3Excellent)

Internally Flawless Diamond 4.4mm/0.320ct Loose (G, IF, 3Excellent) GIA Sale price¥89,800

Loose 1.833ct Blue Zircon from Malawi (Malawi Zircon) Sale price¥98,000

K18WG クロムトルマリン 0.70ctct・サファイア0.30ctペンダントトップ（ネックレストップ）鑑別書

[Colorful] K18WG Chrome Tourmaline 0.70ct and Sapphire 0.30ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥79,800

[ColorFuli] K18WG Zircon Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥59,800

Paraiba Tourmaline from Brazil, 0.063 ct, loose (CuO: 1.8%, MnO: 2.4%) Sale price¥55,800

Bicolor tourmaline 4.448ct loose stone Sale price¥55,800

Spanish Sphalerite 4.445 ct Loose Sale price¥79,800

Myanmar Star Spinel 2.030ct Loose Sale price¥69,800

Sri Lankan Star Sapphire 7.111ct Loose Sale price¥59,800

Afghanite from Afghanistan 0.617ct loose stone Sale price¥69,800

Tanzanian Pink Zoisite 0.190ct Loose Stone with Gemstone Report Sale price¥79,800

Brazilian Indigolite Tourmaline 1.247ct Loose Stone, Japan-Germany Exchange Sale price¥98,000

Colombian Trapiche emerald 0.611ct rough stone Sale price¥59,800

[Karafuri] K18WG Diamond 0.40ct Pendant (Necklace) Sale price¥79,800

Pt900 ブラジル産パライバトルマリン 0.06ct ペンダント（ネックレス）

[Colorful] Pt900 Paraiba Tourmaline 0.06ct from Brazil and Diamond 0.18ct Pendant Top (CuO:2.6%, MnO:3.5%) Sale price¥69,800

Pt900 アイスブルーダイヤモンド（トリートメント） 0.256ctct ペンダント（ネックレス）

【Colorful】Pt900 Treated Ice Blue Diamond 0.256ct / Diamond 0.06ct Pendant (Necklace) Sale price¥98,000

Pt900 ダイヤモンド 0.65ctct ペンダントトップ（ネックレストップ）

[Colorful] Pt900 Diamond 0.65ct Pendant Top Sale price¥89,800

Tanzanian Bi-Color Grossular Garnet 2.057ct Loose Stone Sale price¥55,800

インターナリーフローレスダイヤモンド 0.300ctルース(F, IF, 3Excellent)

Internally Flawless Diamond 4.3mm/0.300ct Loose (F, IF, 3Excellent) GIA Sale price¥98,000

Australian Opal with Matrix (14.840ct Loose Stone) with Certificate Sale price¥69,800

0.274 ct Loose Colombian Bi-Color Emerald Sale price¥98,000

Cerussite from Morocco, 1.026 ct, loose, with Japanese and German gemological reports Sale price¥69,800

Brazilian pink euclase 0.310 ct loose stone, with Japan-Germany gemological report Sale price¥98,000

0.624 ct Loose Bicolor Benitoite from the USA, with Identification Report Sale price¥98,000

8.020 ct Boulder Opal Loose Stone from Australia with Certificate Sale price¥69,800

Spanish sphalerite 6.392 ct loose stone Sale price¥79,800

[Calafuri] Pt900 Synthetic Ruby 1.61ct, Diamond 0.25ct Ring with Central Gem Lab Sale price¥98,000

[Sale from 10 PM on 5/5] [Colorful] K18 Sphene 0.7ct and Diamond 0.03ct Ring with Certification Sale price¥79,800

K18WG イエローサファイア 0.05ct ペンダントトップ（ネックレストップ）

[Calafuri] K18WG Yellow Sapphire 0.05ct Pendant Top (Necklace Top) Sale price¥79,800

[Colorful] K18 Ruby 0.33ct/Diamond Pendant Top (Necklace Top) with Identification Report Sale price¥69,800

Pt900/K18 合成オパール 3.25ct ペンダントトップ（ネックレストップ）

[COLORFUL] Pt900/K18 Cresanbert/Kyocera Synthetic Opal 3.25ct Diamond 0.25ct Pendant Top Sale price¥69,800

Mozambique Almandine Garnet 17.770ct Loose Stone Sale price¥98,000

モザンビーク産エルバイトトルマリン 1.574ctルース（CuO:0.1%,Mn0:3.1％）

Elbaite tourmaline from Mozambique 1.574ct loose stone (CuO: 0.1%, Mn0: 3.1%) Sale price¥55,800

Zimbabwean Bi-Color Euclase Rough 2.976 ct Sale price¥59,800

[Karafuru] K18 Blood Coral 7.0mm Ring with Appraisal Report Sale price¥98,000

Tibetan Andesine 18.643ct Loose Stone, Japan & Germany Gemological Institute certified Sale price¥98,000

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

【12562672掲載】ジンバブエ産バイカラーユークレース 0.254ctルース

Bicolor Euclase from Zimbabwe 0.254ct Loose Gemstone Sale price¥55,800

2.497ct loose barite stone from Guizhou, China with certificate of authenticity Sale price¥55,800

Diamond 0.402ct Loose (H, VS2, Flanders Cut) Sale price¥79,800

Indonesian Parasitic Peridot 0.276ct Loose Stone Sale price¥98,000

[12560352] Zimbabwean Euclase 0.397ct Loose Stone Sale price¥98,000

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.