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[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
Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases

Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases Sale price¥2,980
Book "Small Jewels" (Author: Keiichiro Koyama / Planning cooperation with KARATZ)

Book "Small Jewels" (Author: Keiichiro Koyama / Planning cooperation with KARATZ) Sale price¥1,760
[On sale September 7th at 10 PM] Limited to 15 stones: ¥60,000 worth of Musgravite, Taaffeite, Cobalt Garnite, Spinel & Friends Gacha, and more (bonus: 1 Platinum Spinel) [Multiple purchase discounts available]

[On sale September 7th at 10 PM] Limited to 15 stones: ¥60,000 worth of Musgravite, Taaffeite, Cobalt Garnite, Spinel & Friends Gacha, and more (bonus: 1 Platinum Spinel) [Multiple purchase discounts available] Sale price¥8,800
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
クッションカットのブラジル産インペリアルトパーズ1石ルース（3mm）《複数購入割引有》

Cushion cut Brazilian imperial topaz 1 stone loose (3mm)《Multiple purchase discount available》 Sale price¥5,980
宝石ガチャ💎プリンセスカットのトルマリン1石💎 3mm《複数購入割引有》

Gem Gacha💎Princess cut tourmaline 1 stone💎 3mm《Multiple purchase discount available》 Sale price¥2,980
《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》

《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》 Sale price¥2,980
Raw peridot + 2 loose stones set (August birthstone)《Discount available for multiple purchases》

Raw peridot + 2 loose stones set (August birthstone)《Discount available for multiple purchases》 Sale price¥2,980
H&C(ハート&キューピッド)ダイヤモンド1.2mmルース - カラッツSTORE

H&C (Hearts & Cupids) Diamond 1.5mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥4,980
Limited quantity: Sri Lankan 2mm sapphire (sapphire) 1 loose stone (with identification certificate for all stones) Discounts for multiple purchases

Limited quantity: Sri Lankan 2mm sapphire (sapphire) 1 loose stone (with identification certificate for all stones) Discounts for multiple purchases 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
Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥35,800 → ¥29,800) Yokohama DeNA BayStars Home Blue Ring - Double Type | SV925, Sea Blue Chalcedony, White Chalcedony

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥35,800 → ¥29,800) Yokohama DeNA BayStars Home Blue Ring - Double Type | SV925, Sea Blue Chalcedony, White Chalcedony Sale price¥29,800
Dolce "Semi-custom ring setting"

Dolce "Semi-custom ring setting" Sale price¥74,800
【宝石商の道具】ダイヤルゲージ （ルースやビーズの計測）・ルース（ピラミッドカット）セット

[Jeweler's Tools] Dial Gauge (Measuring Loose and Beads) Loose (Pyramid Cut) Set Sale price¥3,980
アンダリュサイト 1石（ラウンドカット）

Andalusite 1 stone (round cut, 3.0-3.5mm)《Multiple purchase discount available》 Sale price¥3,980
SV925 Silver Chain 0.7mm/1.1mm [40cm]

SV925 Silver Chain 0.7mm/1.1mm [40cm] Sale priceFrom ¥1,580
Diamond (Old Mine Cut) 1 Loose Stone {Multiple Purchase Discounts Available}

Diamond (Old Mine Cut) 1 Loose Stone {Multiple Purchase Discounts Available} Sale price¥4,980
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
[Jeweler's Tools] Limited Quantity: H&C (Hearts & Cupids) Scope, CZ Size Comparison 10 Pieces, 2-Piece Set

[Jeweler's Tools] Limited Quantity: H&C (Hearts & Cupids) Scope, CZ Size Comparison 10 Pieces, 2-Piece Set Sale price¥3,980
Diamond loose/certificate transfer fee

Diamond loose/certificate transfer fee Sale price¥5,000
Amabile "Semi-custom ring setting"

Amabile "Semi-custom ring setting" Sale price¥74,800
Staccato "Semi-custom ring setting"

Staccato "Semi-custom ring setting" Sale price¥74,800
Rose cut apatite 1 stone 3mm《Multiple purchase discount available》

Rose cut apatite 1 stone 3mm《Multiple purchase discount available》 Sale price¥1,980
アメジスト・シトリン 4mm（エピコットカット） 2石セット

Amethyst/Citrine 4mm (Epicot cut) 2 stone set《Multiple purchase discount available》 Sale price¥1,980
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
[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant

[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant Sale priceFrom ¥24,800
[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
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
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
[Available at 10 PM on August 30th] Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available]

[Available at 10 PM on August 30th] Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available] Sale price¥4,980
[Sales start on Thursday, September 25th at 10:00 PM] TV anime "Magic Knight Rayearth" x KARATZ collaboration glitter can badges

[Sales start on Thursday, September 25th at 10:00 PM] TV anime "Magic Knight Rayearth" x KARATZ collaboration glitter can badges Sale priceFrom ¥660

Additional charge for resizing: 4,500 yen Sale price¥4,500
Bizarro "Semi-custom ring setting"

Bizarro "Semi-custom ring setting" Sale price¥74,800
Caland "Semi-custom pinky ring frame"

Caland "Semi-custom pinky ring frame" Sale price¥54,800
Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》

Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》 Sale price¥5,980
ラブラドライト1石ルース（12×16mm）《複数購入割引有》

Labradorite 1 stone loose (12 x 16mm)《Multiple purchase discount available》 Sale price¥2,580
ルチルクォーツ1石ルース（12mm）《複数購入割引有》

Rutilated quartz 1 stone loose (12mm)《Multiple purchase discount available》 Sale price¥1,980

Additional charge for resizing: 2,500 yen Sale price¥2,500
ネパール産オーシャンブルーカイヤナイト＋ブルーカイヤナイト2石セット《複数購入割引有》

Limited to 20 sets: Nepalese Ocean Blue Kyanite + Blue Kyanite 2-stone set (Multiple purchase discounts available) Sale price¥3,980
Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases.

Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980
Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available

Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available Sale price¥4,980
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
Limited to 13 stones: Namibian Jeremejevite (Elemejevite) 1 stone loose stone (Multiple purchase discounts available)

Limited to 13 stones: Namibian Jeremejevite (Elemejevite) 1 stone loose stone (Multiple purchase discounts available) Sale price¥5,980

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.