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Limited to 14 stones: 1 loose sphalerite stone from Spain (average 0.55 carats) Multiple purchase discounts available

Limited to 14 stones: 1 loose sphalerite stone from Spain (average 0.55 carats) Multiple purchase discounts available Sale price¥2,980
[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available]

[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available] Sale price¥4,580
[On sale from 10/10 at 10 PM] [Limited to 10 stones] Brazilian Bicolor Tourmaline Loose Stone (Baguette Cut) [Multiple purchase discounts available]

[On sale from 10/10 at 10 PM] [Limited to 10 stones] Brazilian Bicolor Tourmaline Loose Stone (Baguette Cut) [Multiple purchase discounts available] Sale price¥3,980
Officially Licensed Yokohama DeNA BayStars Gold Mini Figure "DB.Starman" (Limited to 100 of each) Available in Silver or 18K Gold

Officially Licensed Yokohama DeNA BayStars Gold Mini Figure "DB.Starman" (Limited to 100 of each) Available in Silver or 18K Gold Sale priceFrom ¥12,800
[On sale at 10 PM on September 28th] [Limited to 9 sets] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[On sale at 10 PM on September 28th] [Limited to 9 sets] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available] Sale price¥6,980
[On sale from 10/5 at 10 PM] Limited to 9 stones: 1 loose Australian opal (faceted cut) [Multiple purchase discounts available]

[On sale from 10/5 at 10 PM] Limited to 9 stones: 1 loose Australian opal (faceted cut) [Multiple purchase discounts available] Sale price¥3,980
《残り4石》ブラジル産デンドリティッククォーツの子猫カット1石ルース（初心者向け）（5mm）《複数購入割引有》

《残り4石》ブラジル産デンドリティッククォーツの子猫カット1石ルース（初心者向け）（5mm）《複数購入割引有》 Sale price¥3,980
【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》

【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》 Sale price¥4,980
【10/19　22時販売】《限定10石》パライバトルマリンガチャ💎パライバトルマリンやパライバトルマリンインクォーツ1石ルース《複数購入割引有》

【10/19　22時販売】《限定10石》パライバトルマリンガチャ💎パライバトルマリンやパライバトルマリンインクォーツ1石ルース《複数購入割引有》 Sale price¥6,980
Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available

Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available Sale price¥3,980
Limited to 25 stones: One loose rhodochrosite stone (4mm cabochon cut) from Sutton Holm, USA. Discounts available for multiple purchases.

Limited to 25 stones: One loose rhodochrosite stone (4mm cabochon cut) from Sutton Holm, USA. Discounts available for multiple purchases. Sale price¥4,580
[On Sale 10/3 at 10 PM] [Limited to 15 stones] Brazilian Silky Alexandrite Loose Stone (2.5-3.0mm, Round Cut) [Multiple Purchase Discounts Available]

[On Sale 10/3 at 10 PM] [Limited to 15 stones] Brazilian Silky Alexandrite Loose Stone (2.5-3.0mm, Round Cut) [Multiple Purchase Discounts Available] Sale price¥7,980
[On sale from 10/3 at 10 PM] [Limited to 9 stones] Tanzanite loose stone from Tanzania (5x7mm, oval cut) [Multiple purchase discounts available]

[On sale from 10/3 at 10 PM] [Limited to 9 stones] Tanzanite loose stone from Tanzania (5x7mm, oval cut) [Multiple purchase discounts available] Sale price¥12,800
[On sale at 10 PM on September 29th] [Limited to 14 stones] Brazilian Dendritic Quartz Loose Stone (Average 7 carats) [Multiple purchase discounts available]

[On sale at 10 PM on September 29th] [Limited to 14 stones] Brazilian Dendritic Quartz Loose Stone (Average 7 carats) [Multiple purchase discounts available] Sale price¥2,980
[On sale from 10/5 at 10 PM] Limited to 9 stones. All stones come with a certificate of authenticity. One loose Zoisite stone (yellow, pink-brown, green, etc.). Discounts available for multiple purchases.

[On sale from 10/5 at 10 PM] Limited to 9 stones. All stones come with a certificate of authenticity. One loose Zoisite stone (yellow, pink-brown, green, etc.). Discounts available for multiple purchases. Sale price¥6,980
中国産シンシャ（シナバー） 1.358ctルース

[12560907] Shinsha (Cinnabar) 1.358ct Loose Stone Sale price¥22,800
【10/12 22時販売】《限定7石》ロシア産ノンオイルエメラルド1石ルース(1.5-1.6ｍｍ,ステップカット)《複数購入割引有》

【10/12 22時販売】《限定7石》ロシア産ノンオイルエメラルド1石ルース(1.5-1.6ｍｍ,ステップカット)《複数購入割引有》 Sale price¥5,980
【10/12 22時販売】《限定14石》モザンビーク産ホットピンクサファイア1石ルース(ペアシェイプ,約4×3mm)《複数購入割引有》

【10/12 22時販売】《限定14石》モザンビーク産ホットピンクサファイア1石ルース(ペアシェイプ,約4×3mm)《複数購入割引有》 Sale price¥4,980
マラウイ産バイカラージルコン 1.661ctルース

[On Sale at 10 PM on September 28th] Malawi Bicolor Zircon 1.661ct Loose Stone Sale price¥59,800
マラウイ産バイカラージルコン 0.811ctルース

[On Sale at 10 PM on September 28th] Malawi Bicolor Zircon 0.811ct Loose Stone Sale price¥29,800
ボリビア産フォスフォフィライト 0.436ctルース

[On Sale at 10 PM on September 28th] Bolivian Phosphophyllite 0.436ct Loose Stone with Certificate of Authenticity Sale price¥298,000
ルチル 6.213ctルース

[Sold at 10 PM on September 28th] Set of 2 Rutile Stones, 6.213ct (Rough Stone + Loose Stone) Sale price¥59,800
ベニトアイト 2.2mm/0.270ctルース（グラデーションセット）

[Available at 10 PM on September 28th] American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set) Sale price¥69,800
ジンバブエ産バイカラーユークレース 0.146ctルース

[On Sale at 10 PM on September 28th] Zimbabwean Bicolor Euclase 0.146ct Loose Stone Sale price¥35,800
イエローダイヤモンド 0.165ctルース(FANCY VIVID ORANGY YELLOW, SI-2)

[On Sale at 10 PM on September 28th] Yellow Diamond 3.4mm/0.165ct Loose (Fancy Vivid Orangy Yellow, SI-2) Sale price¥29,800
ナイジェリア産モルガナイト 1.149ctルース

[On sale at 10pm on September 28th] Nigerian Morganite 1.149ct Loose Stone Sale price¥19,800
ダイヤモンド（H&C） 3.8mm/0.208ctルース(G, IF, 3Excellent H&C)

[On Sale at 10 PM on September 28th] 3.8mm/0.208ct Internally Flawless Diamond (H&C) Loose Stone (G, IF, 3 Excellent H&C) Sale price¥69,800
ベトナム産アクアマリン 1.728ctルース

[On Sale at 10pm on 10/7] 1.728ct Loose Aquamarine from Vietnam Sale price¥18,800
【ルージュカット】ブラジル産デュモルチェライトインクォーツ 1.493ctルース

[10/10 22:00 Sale] [Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone Sale price¥9,800
タンザニア産スペサルティンガーネット 0.209ctルース

[12535099] Tanzanian Spessartine Garnet 0.209ct Loose Stone Sale price¥4,980
【ルージュカット】タンザニア産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 1.082ctルース

[On Sale 10/10 at 10 PM] [Rouge Cut] Tanzanian Andesine Labradorite (also known as Rainbow Moonstone) 1.082ct Loose Stone Sale price¥15,800
【ルージュカット】ブラジル産デュモルチェライトインクォーツ 1.184ctルース

[10/10 22:00 Sale] [Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone Sale price¥14,800
ジンバブエ産スフェーン 0.990ctルース

[On Sale at 10pm on October 9th] Zimbabwean Sphene 0.990ct Loose Stone Sale price¥12,800
ジンバブエ産スフェーン 0.726ctルース

[On Sale at 10pm on October 9th] Zimbabwean Sphene 0.726ct Loose Stone Sale price¥14,800
ジンバブエ産スフェーン 0.704ctルース

[On sale from 10/8 at 10pm] Zimbabwean sphene 0.704ct loose stone Sale price¥14,800
ジンバブエ産スフェーン 0.978ctルース

[On sale from 10/7 at 10pm] Zimbabwean sphene 0.978ct loose stone Sale price¥18,800
ジンバブエ産スフェーン 0.987ctルース

[On sale from 10/7 at 10pm] Zimbabwean sphene 0.987ct loose stone Sale price¥19,800
ジンバブエ産スフェーン 1.028ctルース

[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone Sale price¥25,800
タンザニア産ドラゴンガーネット 1.015ctルース

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone Sale price¥29,800
タンザニア産ドラゴンガーネット 0.931ctルース

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.931ct Loose Stone Sale price¥25,800
タンザニア産ドラゴンガーネット 5.0mm/0.767ctルース

[On Sale at 10 PM on October 9th] Tanzanian Dragon Garnet 5.0mm/0.767ct Loose Stone Sale price¥19,800
タンザニア産ドラゴンガーネット 0.818ctルース

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.818ct Loose Stone Sale price¥22,800
タンザニア産ドラゴンガーネット 0.850ctルース

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.850ct Loose Stone Sale price¥22,800
カンボジア産ブルージルコン（ラタナキリブルー） 1.513ctルース

Cambodian Blue Zircon (Ratanakiri Blue) 1.513ct Loose Stone Sale price¥59,800
カンボジア産ブルージルコン（ラタナキリブルー） 2.232ctルース

Cambodian Blue Zircon (Ratanakiri Blue) 2.232ct Loose Stone Sale price¥79,800
カンボジア産ブルージルコン（ラタナキリブルー） 2.822ctルース

Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone Sale price¥98,000
モザンビーク産アルマンディンガーネット 7.7mm/1.781ctルース

[10/10 22:00 Sale] Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone Sale price¥18,800
モザンビーク産アルマンディンガーネット 1.652ctルース

[10/10 22:00 Sale] Mozambique Almandine Garnet 1.652ct Loose Stone 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.