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¥30,000 - ¥50,000

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ダイヤモンド（カボションカット） 0.206ctルース

Diamond (cabochon cut) 0.206ct loose Sale price¥45,800
非加熱ブラジル産パライバトルマリン 0.052ctルース

Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%) Sale price¥35,800
スペイン産バイカラースファレライト 2.055ctルース

2.055ct Bicolor Sphalerite from Spain Sale price¥39,800
コロンビア産トラピッチェエメラルド 0.183ctルース

[On sale June 19, 10 PM] Colombian Trapiche Emerald 0.183ct Loose Stone Sale price¥39,800
[On sale June 23rd, 10 PM JST] Colombian Trapiche Emerald 0.210ct Loose Stone

[On sale June 23rd, 10 PM JST] Colombian Trapiche Emerald 0.210ct Loose Stone Sale price¥39,800
カンボジア産オレンジジルコン 3.800ctルース

[On sale June 20 at 10 PM] Cambodian orange zircon 3.800ct loose stone Sale price¥45,800
オーストラリア産ブラックオパール 1.080ctルース

[On sale June 14th at 10 PM] Australian Black Opal 1.080ct Loose Stone Sale price¥39,800
スファレライト 3.980ctルース

Spanish Sphalerite 9.2mm/3.980ct loose stone Sale price¥49,800
モザンビーク産ピンクトルマリン 2.944ctルース

[12550851] 2.944ct Mozambique pink tourmaline loose stone Sale price¥39,800
アメリカ産レッドベリル 0.147ctルース

American Red Beryl 0.147ct Loose Sale price¥35,800
非加熱ブラジル産パライバトルマリン 0.065ctルース（CuO:1.6%、MnO:2.4%）

0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%) Sale price¥49,800
レッドベリル 0.132ctルース

American Red Beryl 0.132ct Loose Sale price¥33,800
American red beryl 0.143ct loose

American red beryl 0.143ct loose Sale price¥35,800
K18 アコヤパール・ダイヤモンド0.08ct リング 鑑別書

[Sale from 10 PM on June 18th] [Colorful] K18 Akoya Pearl and Diamond 0.08ct Ring with Certificate Sale price¥49,800
K18 ロードクロサイト 0.77ct リング 鑑別書

[Sales start June 20th at 10 PM JST] [Colorfuri] K18 Rhodochrosite 0.77ct Ring with Certificate Sale price¥39,800
マダガスカル産パパラチアサファイア 0.282ctルース

[On sale June 7th at 10 PM] Madagascar Padparadscha Sapphire 3.9mm/0.282ct Loose Stone, DGL Certified Sale price¥43,800
マダガスカル産パパラチアサファイア 0.336ctルース

[On sale June 7th at 10 PM] Madagascar Padparadscha Sapphire 3.9mm/0.336ct Loose Stone DGL Certified Sale price¥45,800
スリランカ産ジルコンキャッツアイ 2.087ctルース

[Sale on June 5th at 10 PM] Sri Lankan Zircon Cat's Eye 2.087ct Loose Stone with Appraisal Sale price¥39,800
マラウイ産バイカラージルコン 0.985ctルース

[On sale May 31st at 10 PM] Malawi Bicolor Zircon (Malawi Zircon) 0.985 ct Loose Sale price¥39,800
ルビー 0.820ctルース

[Sale on June 13th at 10 PM] Ruby 0.820ct Loose Stone - Hogikyo Sale price¥39,800
ブラジル産パライバトルマリン 0.239ctルース

【Sale starts May 28th at 10 PM JST】Brazilian Paraiba Tourmaline Loose Stone 0.239ct (CuO: 0.8%, MnO: 3.7%) Sale price¥45,800
ブラジル産パライバトルマリン 0.205ctルース（CuO:0.8%、MnO:3.1%）

【Sale starts May 28th at 10 PM JST】Brazilian Paraiba Tourmaline 0.205ct Loose Stone (CuO: 0.8%, MnO: 3.1%) Sale price¥39,800
ブラジル産パライバトルマリン 0.211ctルース（CuO:0.6%,MnO:3.1%）

[On sale May 28 at 10 PM] Brazilian Paraiba Tourmaline 0.211ct Loose Stone (CuO:0.6%, MnO:3.1%) Sale price¥39,800
ブルーウォーターメロントルマリン 6.815ctルース

Blue watermelon tourmaline 6.815ct loose Sale price¥49,800
Loose Paraiba Tourmaline from Brazil, 0.059ct (CuO: 1.4%, MnO: 2.7%)

Loose Paraiba Tourmaline from Brazil, 0.059ct (CuO: 1.4%, MnO: 2.7%) Sale price¥45,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)

Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%) Sale price¥49,800
0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%)

0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%) Sale price¥45,800
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)

Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%) Sale price¥49,800
Brazilian Paraiba Tourmaline 0.055ct Loose (CuO:1.9%, MnO:2.2%)

Brazilian Paraiba Tourmaline 0.055ct Loose (CuO:1.9%, MnO:2.2%) Sale price¥45,800
Paraiba Tourmaline from Brazil 0.056ct loose stone (CuO: 1.7%, MnO: 2.3%)

Paraiba Tourmaline from Brazil 0.056ct loose stone (CuO: 1.7%, MnO: 2.3%) Sale price¥45,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)

0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%) Sale price¥47,800
Brazilian Paraiba Tourmaline 0.058ct Loose Gemstone (CuO: 2.0%, MnO: 2.2%)

Brazilian Paraiba Tourmaline 0.058ct Loose Gemstone (CuO: 2.0%, MnO: 2.2%) Sale price¥39,800
Brazilian Paraiba Tourmaline 0.056ct Loose Stone (CuO:2.1%, MnO:2.2%)

Brazilian Paraiba Tourmaline 0.056ct Loose Stone (CuO:2.1%, MnO:2.2%) Sale price¥39,800
アフガニスタン産クンツァイト 8.834ctルース

Kunzite from Afghanistan 12mm/8.834ct loose stone Sale price¥39,800
ダイヤモンド 0.194ctルース(H, VS-2, Excellent)

[On sale June 4th at 10 PM] Diamond 3.7mm/0.194ct Loose (H, VS-2, Excellent) Sale price¥35,800
ダイヤモンド 0.190ctルース(E, VVS-2, VeryGood)

[On Sale June 4th, 10 PM JST] Diamond 3.7mm/0.190ct Loose (E, VVS-2, VeryGood) Sale price¥34,800
ダイヤモンド 0.192ctルース(F, VVS-2, VeryGood)

[Sales begin June 6, 10 PM JST] Diamond 3.7mm/0.192ct Loose (F, VVS-2, VeryGood) Sale price¥39,800
ダイヤモンド 0.184ctルース(D, VS-1, VeryGood)

[Sales start June 2nd, 10 PM JST] Diamond 3.7mm/0.184ct Loose Stone (D, VS-1, VeryGood) Sale price¥33,800
ダイヤモンド 0.172ctルース(G, VS-1)

[Sales begin June 6th, 10 PM JST] Diamond 3.3mm/0.172ct Loose (G, VS-1, Flanders Cut) Sale price¥45,800
アフガニスタン産ハックマナイト 0.205ctルース

[On sale May 31, 10 PM] Afghan Hackmanite 0.205ct Loose Stone Sale price¥36,800
スターサファイア 6.477ctルース

Sri Lankan Star Sapphire 6.477ct Loose Sale price¥49,800
[On sale May 28th, 10 PM] Adult Cbonstar Jewelry Vol. 3: Adult Cbonstar Pendant Mirage Edition <silver model></silver>

[On sale May 28th, 10 PM] Adult Cbonstar Jewelry Vol. 3: Adult Cbonstar Pendant Mirage Edition Sale priceFrom ¥29,800
[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond}

[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond} Sale priceFrom ¥25,800
[On Sale 5/28 10PM] Bungo and Alchemist x KARATZ Collaboration Jewelry - Vol. 4: Bungo Ring [Sakaguchi Ango Model Ring]

[On Sale 5/28 10PM] Bungo and Alchemist x KARATZ Collaboration Jewelry - Vol. 4: Bungo Ring [Sakaguchi Ango Model Ring] Sale priceFrom ¥25,800
[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant

[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant Sale priceFrom ¥24,800
[On sale May 28th at 10 PM] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Vol. 4: Bungo Ring [Takiji Kobayashi Model Ring]

[On sale May 28th at 10 PM] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Vol. 4: Bungo Ring [Takiji Kobayashi Model Ring] Sale priceFrom ¥25,800
[On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*

[On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available* Sale price¥49,800

Additional fee: +40,000 yen Sale price¥40,000

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.