Ta line

[On Sale May 14th, 10 PM] Diamond 3.8mm/0.216ct Loose (G, VS-1, Excellent) Sale price¥49,800

【32501891掲載】ダイヤモンド 0.207ctルース(F, VS-1, Excellent)

[On sale May 3rd, 10 PM JST] Loose Diamond 3.8mm/0.207ct (F, VS-1, Excellent) Sale price¥35,800

【22602588掲載】【カラフリ】Pt900 ピンクダイヤモンド 0.008ct ペンダント（ネックレス）

[On sale May 3rd, 10 PM] [Colorful] Pt900 Pink Diamond 0.008ct / Diamond 0.03ct Pendant (Necklace) with Identification Card Sale price¥39,800

[On Sale May 6, 10 PM JST] [Colorfley] Pt900 Opal 2.61ct / Diamond 0.858ct Ring Sale price¥168,000

[Sales Start: May 3rd, 10 PM JST] [Colorflee] Pt900 Lab-Grown Ruby 1.61ct / Diamond 0.25ct Ring (Central Gem Lab Certified) Sale price¥98,000

[Sale May 3rd, 10 PM] [Colorful] Pt900 Diamond 0.5ct Ring with Appraisal Report Sale price¥59,800

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

[On sale May 6th, 10 PM JST] [Colorfury] Pt900 Ice Blue Diamond (Treated) 1.00ct Ring Sale price¥298,000

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

[Sale on May 17th at 10 PM] [Colorful] K18 Ruby 0.33ct and Diamond Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥69,800

[Available 5/23 10 PM] Colorful K18 Blood Coral 9.9mm Diamond Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥158,000

Pt950 スイスブルートパーズ 3.5ct ペンダントトップ（ネックレストップ）鑑別書

[On Sale May 26th, 10 PM] Colorful Pt950 Swiss Blue Topaz 3.5ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥29,800

【22602569掲載】【カラフリ】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）

[On Sale 5/5 at 10 PM] [Karafuri] Pt900/K18 Cresanbert/Kyocera Synthetic Opal 3.25ct and Diamond 0.25ct Pendant Top Sale price¥69,800

Brazilian Indicolite Tourmaline 0.352ct Loose Stone with Certification Sale price¥29,800

【12562795掲載】ブラジル産非加熱インペリアルトパーズ（シェリーカラー） 0.314ctルース

Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose Sale price¥22,800

[On sale May 6th, 10 PM JST] Brazilian unheated Imperial Topaz (Sherry Color) 0.368ct loose gemstone Sale price¥25,800

モザンビーク産エルバイトトルマリン 1.456ctルース（CuO:0.1%,MnO:0.4%）

Elbaite tourmaline from Mozambique 1.456ct loose stone (CuO: 0.1%, MnO: 0.4%) Sale price¥45,800

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

イエローダイヤモンド 0.071ctルース(FANCY INTENSE ORANGEY YELLOW, SI2)

Fancy intense orangey yellow diamond 0.071ct loose stone (FANCY INTENSE ORANGEY YELLOW, SI2) Sale price¥22,800

Diamond 0.042ct loose (VS class equivalent, emerald cut) Sale price¥6,980

Brazilian Imperial Topaz 0.413ct Loose Stone Sale price¥9,800

Brazilian Imperial Topaz 0.402ct Loose Stone Sale price¥9,800

Yellow tourmaline 0.277ct loose Sale price¥6,980

Green tourmaline 0.559ct loose Sale price¥6,980

Pink tourmaline 0.632ct loose Sale price¥9,800

Pink tourmaline 1.575ct loose Sale price¥12,800

【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

Brazilian Bicolor Tourmaline 0.780ct Loose Sale price¥12,800

【Karafuri】Pt900 Cantera Opal 7.809ct and Diamond 0.19ct Pendant Top Sale price¥110,000

[Karafuri] Pt900 Diamond 1.00ct Ring Sale price¥98,000

【32501879掲載】グレーダイヤモンド 0.096ctルース(VERY LIGHT GRAY, SI-1)

Gray Diamond, 2.9mm/0.096ct Loose (VERY LIGHT GRAY, SI-1) Sale price¥15,800

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

カメレオンダイヤモンド 0.128ctルース(FANCY LIGHT GRAY GREEN, SI-1)

[Sale on May 9, 10 PM JST] Chameleon Diamond 3.2mm/0.128ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥31,800

[On sale May 2 at 10 PM JST] Sri Lankan Topaz Cat's Eye 3.384ct Loose Stone with Japan-Germany Gemological Report Sale price¥12,800

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

Sold out

K18 Turquoise Ring

K18 Peridot and Diamond 0.03ct Ring Sale price¥45,800

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

【22602549掲載】【カラフリ】K18WG 血赤珊瑚 0.19ct ブローチ

[Colorful] K18WG Blood Coral and Diamond (0.19ct) Brooch with certificate Sale price¥398,000

【22602548掲載】【カラフリ】Pt900 ブラックオパール 0.83ct リング

[Colorful] Pt900 Black Opal 0.83ct / Diamond 0.62ct Ring with Certificate Sale price¥228,000

【22602547掲載】【カラフリ】Pt900 ブラックオパール 1.24ct リング

[Colorful] Pt900 Black Opal 1.24ct / Diamond 0.70ct Ring with Appraisal Certificate Sale price¥228,000

【22602546掲載】【カラフリ】K18WG ツァボライト 0.57ctct リング

[Calafri] K18WG Tsavorite 0.57ct Ring with Certificate Sale price¥89,800

《Tucson New Arrival - Limited to 8 Stones》Zambian Canary Yellow Tourmaline Average 0.47ct《Bulk Purchase Discount Available》 Sale price¥7,980

《New Arrivals from Tucson・Limited to 9 Stones》Canary Yellow Tourmaline from Zambia, average 0.18ct《Multi-purchase discount available》 Sale price¥3,980

【カラフリ】Pt900/Pt850クリノヒューマイト0.726ct ペンダント（ネックレス） - カラッツSTORE

[Color Fleuri] Pt900 Chondrodite 0.726ct / Diamond 0.55ct Pendant (Necklace) with Japan-Germany Gemological Report Sale price¥110,000

【12555695掲載】ブラジル産パライバトルマリンインクォーツ 0.313ctルース

Brazilian Paraiba Tourmaline In Quartz 0.50mm/.313ct Loose Sale price¥15,800

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.