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coming soon [12559495] Sunstone 0.896ct Loose

[12559495] Sunstone 0.896ct Loose Sale price¥5,980
coming soon [12559497] Sunstone 0.532ct Loose Stone

[12559497] Sunstone 0.532ct Loose Stone Sale price¥5,980
coming soon [12559523] Tanzanite from Tanzania 0.417ct loose stone

[12559523] Tanzanite from Tanzania 0.417ct loose stone Sale price¥12,800
coming soon [12559554] Aventurine Beryl 0.933ct Loose Stone

[12559554] Aventurine Beryl 0.933ct Loose Stone Sale price¥8,800
coming soon Pigeon Blood Ruby 0.230ct Loose

Pigeon Blood Ruby 0.230ct Loose Sale price¥69,800
coming soon Pigeon blood ruby ​​0.310ct loose

Pigeon blood ruby ​​0.310ct loose Sale price¥98,000
coming soon [12559879] Tibetan Andesine 0.320ct Loose Stone

[12559879] Tibetan Andesine 0.320ct Loose Stone Sale price¥9,800
coming soon [12559880] Kenyan Tsavorite 0.347ct Loose Stone

[12559880] Kenyan Tsavorite 0.347ct Loose Stone Sale price¥29,800
coming soon [12559919] Tanzanian Zoisite 0.689ct Loose Stone

[12559919] Tanzanian Zoisite 0.689ct Loose Stone Sale price¥18,800
宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（初心者向け：フローライト・アパタイト2石セット）

Let's try gem polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite/apatite 2 stone set) Sale price¥2,980
《再入荷》【宝石商の道具】ゲルタックケース3個セット《透明・黒背景の2種類有》（ブルーサファイア3石付） - カラッツSTORE

[Jeweler's Tools] Set of 3 gel tack cases (2 types: transparent and black background) (includes 3 blue sapphires) (discount available for multiple purchases) Sale price¥3,980
[Jeweler's Tools] {Only 2 left} 4-piece set including loupe (10x magnification), tweezers, and two loose stones

[Jeweler's Tools] {Only 2 left} 4-piece set including loupe (10x magnification), tweezers, and two loose stones Sale price¥6,980
[Jeweler's Tools] Color change penlight loose set

[Jeweler's Tools] Color change penlight loose set Sale price¥4,980
《単体購入不可》 耐水ペーパー 3000番・5000番「自分で出来る原石磨きセットオプション専用」 - カラッツSTORE

[Cannot be purchased separately] Waterproof paper No. 3000/No. 5000 “For use with the do-it-yourself rough stone polishing set option” Sale price¥300
[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges

[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges Sale price¥1,980
H&C（ハート&キューピッド）専用スコープ（ダイヤモンド 専用スコープ) - カラッツSTORE

[Jeweler's Tools] H&C (Heart & Cupid) Special Scope (Diamond Special Scope) Sale price¥1,580
[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery

[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery Sale price¥6,980
[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges

[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges Sale price¥3,300
[Sales start on 9/25 (Thu) 22:00] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring

[Sales start on 9/25 (Thu) 22:00] TV anime "Date A Live V" x KARATZ collaboration Yatogami Tohka model ring Sale priceFrom ¥22,800
1石から選ぶオーダーメイド《リ ング》申し込みページ ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Ring Frame) Sale priceFrom ¥79,800
"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel"

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel" Sale priceFrom ¥25,800
[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges

[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges Sale price¥880
[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set

[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set Sale price¥2,980
TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic stand

TV anime "Shinkalion Change the World" x KARATZ collaboration acrylic stand Sale price¥1,650
宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（中級者向け：アンデシン）

Let's try gem polishing "Do-it-yourself rough stone polishing set" (for intermediate users: Andesine) Sale price¥2,980
Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for beginners: green apatite)

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for beginners: green apatite) Sale price¥2,980
カラーチェンジアンデシン1石（3mm,ラウンドカット）《複数購入割引有》

Color change Andesine 1 stone (3mm, round cut)《Discount available for multiple purchases》 Sale price¥2,980
"Free!-the Final Stroke-" x KARATZ Collaboration Free!-the Final Stroke- Logo Ring (Silver)

"Free!-the Final Stroke-" x KARATZ Collaboration Free!-the Final Stroke- Logo Ring (Silver) Sale price¥25,800
Ice blue diamond 1.2mm or 2.0mm 1 stone (VS class equivalent, round cut) {Multiple purchase discount available}

Ice blue diamond 1.2mm or 2.0mm 1 stone (VS class equivalent, round cut) {Multiple purchase discount available} Sale priceFrom ¥4,980
"PSYCHO-PASS" x KARATZ collaboration jewelry: Shogo Makishima razor design ring (amethyst)

"PSYCHO-PASS" x KARATZ collaboration jewelry: Shogo Makishima razor design ring (amethyst) Sale priceFrom ¥25,800
"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] "London Blue Topaz"

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] "London Blue Topaz" Sale priceFrom ¥25,800
"Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Stand

"Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Stand Sale price¥1,650
[Sales End on Sunday, February 8th] TV Anime "Date A Live V" x KARATZ Collaboration Foil-Stamped Glitter Can Badges (8 Types)

[Sales End on Sunday, February 8th] TV Anime "Date A Live V" x KARATZ Collaboration Foil-Stamped Glitter Can Badges (8 Types) Sale price¥660
H&C (Heart & Cupid) Diamond 2.0mm Loose (VS Class, DG Class, 2mm Melee Diamonds) {Multiple Purchase Discounts Available}

H&C (Heart & Cupid) Diamond 2.0mm Loose (VS Class, DG Class, 2mm Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥7,980

[Option] Certificate issuance fee Sale priceFrom ¥2,750
宝石商の道具「プレートライト」

Jeweler's tool "plate light" Sale price¥3,800
【一律1000円】アメリカ産・ハーキマーダイヤモンド（ロッククリスタル）1石 原石

[Flat rate 1000 yen] 1 American Herkimer diamond (rock crystal) rough stone (discount available for multiple purchases) Sale price¥1,000
[Jeweler's Tools] White penlight (for loose), loose 3-piece set

[Jeweler's Tools] White penlight (for loose), loose 3-piece set Sale price¥5,980
"PSYCHO-PASS PROVIDENCE" x KARATZ collaboration character image double pendant

"PSYCHO-PASS PROVIDENCE" x KARATZ collaboration character image double pendant Sale priceFrom ¥25,800
Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available]

Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available] Sale priceFrom ¥1,580
"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] (Pink Diamond)

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] (Pink Diamond) Sale priceFrom ¥29,800
タンザニア産イリュージョンサンストーン1石ルース（6mm）《複数購入割引有》

Illusion sunstone from Tanzania 1 stone loose (6mm)《Multiple purchase discount available》 Sale price¥1,500
Rose cut diamond 1.2mm x 1 stone (VS-SI class, DH color, melee diamonds) {Multiple purchase discounts available}

Rose cut diamond 1.2mm x 1 stone (VS-SI class, DH color, melee diamonds) {Multiple purchase discounts available} Sale price¥2,980
TV anime "Shinkalion Change the World" x KARATZ collaboration glitter can badge

TV anime "Shinkalion Change the World" x KARATZ collaboration glitter can badge Sale price¥660
ベリリウム拡散処理サファイア1石（約2.5mm,ラウンドカット）

1 beryllium diffused sapphire stone (approximately 2.5mm, round cut)《Multiple purchase discounts available》 Sale price¥1,580
1石から選ぶオーダーメイド《ピ アス》申し込みページ ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Earrings Frame) Sale price¥29,800

Additional charge: K18YG (base metal) + 5,000 yen Sale price¥5,000
アパタイト原石 色違い2石セット

Apatite rough stone set of 2 stones in different colors《Discount available for multiple purchases》 Sale price¥2,980

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.