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Amabile "Semi-custom ring setting"

Amabile "Semi-custom ring setting" Sale price¥89,800
Dolce "Semi-custom ring setting"

Dolce "Semi-custom ring setting" Sale price¥89,800
ビルマ産スピネル1石ルース（ペンタゴナルカット）《バンコク買付品》

1 stone loose spinel from Myanmar (Pentagonal cut)《Discount available for multiple purchases》 Sale price¥3,980
Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》

Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》 Sale price¥3,980
【5/21 22時販売】【KEN氏】 メキシコ産オパール1石（約3.5mm）《複数購入割引有》 - カラッツSTORE

1 Mexican opal (approx. 3.5mm) {Multiple purchase discounts available} Sale price¥3,980
『Free!-the Final Stroke-』×KARATZコラボ サメヅカちゃんペンダント

"Free! -the Final Stroke-" x KARATZ Collaboration Samezuka-chan Pendant (Silver) Sale price¥25,800
Madeleine "Semi-custom ring setting"

Madeleine "Semi-custom ring setting" Sale price¥89,800
Limited Quantity: Colombian Mango Quartz (Small - Thick) Multiple Purchase Discounts Available

Limited Quantity: Colombian Mango Quartz (Small - Thick) Multiple Purchase Discounts Available Sale price¥1,280
Chinese color change fluorite 1 stone loose (6mm, round cut) {Multiple purchase discount available}

Chinese color change fluorite 1 stone loose (6mm, round cut) {Multiple purchase discount available} Sale price¥1,980
Book "Jewelry Origami" (Supervised by KARATZ / In cooperation with the University of Tokyo Origami Circle and Orist)

Book "Jewelry Origami" (Supervised by KARATZ / In cooperation with the University of Tokyo Origami Circle and Orist) Sale price¥1,540
Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥25,800 → ¥21,800) Yokohama DeNA BayStars Home Blue Ring - Single Type | SV925 with White Chalcedony

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥25,800 → ¥21,800) Yokohama DeNA BayStars Home Blue Ring - Single Type | SV925 with White Chalcedony Sale price¥21,800
Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases.

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580
Limited Edition of 12: Brazilian Indigolite Tourmaline Loose Stone (4x3mm, Oval Cut) - Multiple Purchase Discounts Available

Limited Edition of 12: Brazilian Indigolite Tourmaline Loose Stone (4x3mm, Oval Cut) - Multiple Purchase Discounts Available Sale price¥4,980
Limited to 20 Pieces: Spanish Sphalerite Loose Stone (Average 0.50ct) - Volume Discount Available

Limited to 20 Pieces: Spanish Sphalerite Loose Stone (Average 0.50ct) - Volume Discount Available Sale price¥2,580
【石から選ぶセミオーダーペンダント枠】七夕 - KARATZ STORE｜カラッツSTORE

Tanabata《Semi-custom pendant frame》 Sale price¥59,800

Additional charge: K18PG (base metal) + 10,000 yen Sale price¥10,000

Additional charge: K18YG (base metal) + 15,000 yen Sale price¥15,000
March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners}

March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white)

[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white) Sale price¥3,980
{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available}

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980
《17色》宝石ガチャガチャ💎新作モアッサナイト6.5mm（H&C ハート＆キューピッド）💎《複数購入割引有》 - カラッツSTORE

《17 colors》Gem Gacha💎Synthetic Moissanite 1 stone loose (H&C Heart & Cupid, 6.5mm)💎《Multiple purchase discount available》 Sale price¥5,980
TV anime "Shinkalion Change the World" x KARATZ collaboration Taisei model

TV anime "Shinkalion Change the World" x KARATZ collaboration Taisei model Sale priceFrom ¥16,800
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
Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available

Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available Sale price¥1,280
Limited Edition Tucson Lucky Dip Gems 💎 Guaranteed 1 stone from 8 types (Benitoite, Anthill Garnet, Dumortierite in Quartz, Eudialyte, etc.) 《Multi-purchase discount available》

Limited Edition Tucson Lucky Dip Gems 💎 Guaranteed 1 stone from 8 types (Benitoite, Anthill Garnet, Dumortierite in Quartz, Eudialyte, etc.) 《Multi-purchase discount available》 Sale price¥3,980
[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available]

[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available] Sale price¥3,980
《Limited to 15 Stones》Cordierite-Inclusive Cordierite Spinel Gacha, Equivalent to 59,800 Yen 《Bulk Purchase Discount Available》

《Limited to 15 Stones》Cordierite-Inclusive Cordierite Spinel Gacha, Equivalent to 59,800 Yen 《Bulk Purchase Discount Available》 Sale price¥3,980

Additional charge for resizing: 4,500 yen Sale price¥4,500
【石から選ぶセミオーダーペンダント枠】オリオン - KARATZ STORE｜カラッツSTORE

Orion "Semi-custom pendant frame" Sale price¥59,800
Petalite 1 stone loose (6mm, round cut)《Multiple purchase discount available》

Petalite 1 stone loose (6mm, round cut)《Multiple purchase discount available》 Sale price¥2,580
Staccato "Semi-custom ring setting"

Staccato "Semi-custom ring setting" Sale price¥89,800
Rose cut apatite 1 stone 3mm《Multiple purchase discount available》

Rose cut apatite 1 stone 3mm《Multiple purchase discount available》 Sale price¥1,980

Additional charge for resizing: 2,500 yen Sale price¥2,500
[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant

[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant Sale priceFrom ¥24,800
Set of 2 blue apatite stones from Madagascar (rough stone + loose stone) {Multiple purchase discounts available}

Set of 2 blue apatite stones from Madagascar (rough stone + loose stone) {Multiple purchase discounts available} Sale price¥2,980
January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners}

January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners} Sale price¥2,980
Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available

Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available Sale price¥5,980
[On sale Friday, April 24 at 10 PM JST] TV Anime "Once Upon a Time, a Magical Girl and an Evil Boss Were At Odds." x KARATZ Collaboration Magical Girl-Inspired Necklace - Kagari Hanabana Model -

[On sale Friday, April 24 at 10 PM JST] TV Anime "Once Upon a Time, a Magical Girl and an Evil Boss Were At Odds." x KARATZ Collaboration Magical Girl-Inspired Necklace - Kagari Hanabana Model - Sale priceFrom ¥11,800
Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available)

Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available) Sale price¥3,980
Diamond loose/certificate transfer fee

Diamond loose/certificate transfer fee Sale price¥5,000
Caland "Semi-custom pinky ring frame"

Caland "Semi-custom pinky ring frame" Sale price¥69,800
タンザナイト原石・ルース2石セット（シュガーローフカット）

Tanzanite raw stone/loose 2 stone set (sugar loaf cut)《Multiple purchase discount available》 Sale price¥6,980

Additional charge: K18PG (base metal) + 5,000 yen Sale price¥5,000
Limited to 18 stones: Mozambique ruby ​​(princess cut, 2.3-2.5mm) Multiple purchase discounts available

Limited to 18 stones: Mozambique ruby ​​(princess cut, 2.3-2.5mm) Multiple purchase discounts available Sale price¥3,980
TV anime "Shinkalion Change the World" x KARATZ collaboration Folden Akane model

TV anime "Shinkalion Change the World" x KARATZ collaboration Folden Akane model Sale priceFrom ¥16,800
Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.

Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥4,980
[Sales start at 10 PM on Friday, December 12th] TV anime "Blue Lock" x KARATZ collaboration second edition layered ring

[Sales start at 10 PM on Friday, December 12th] TV anime "Blue Lock" x KARATZ collaboration second edition layered ring Sale price¥16,500

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.