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バイカラートルマリン 1.965ctルース

[On Sale at 10pm on 10/25] Brazilian Bicolor Tourmaline 1.965ct Loose Stone Sale price¥18,800
ロシア産デマントイドガーネット（ホーステール認む） 0.064ctルース

[On Sale at 10 PM on October 23rd] Russian Demantoid Garnet (Horsetail Certified) 0.064ct Loose Stone Sale price¥9,800
ロシア産デマントイドガーネット（ホーステール認む） 0.061ctルース

[On Sale 10/23 10pm] Russian Demantoid Garnet (Horsetail Recognized) 0.061ct Loose Stone Sale price¥9,800
ロシア産デマントイドガーネット（ホーステール認む） 0.036ctルース

[On Sale at 10 PM on October 24th] Russian Demantoid Garnet (Horsetail Certified) 0.036ct Loose Stone Sale price¥6,980
ロシア産デマントイドガーネット（ホーステール認む） 0.255ctルース

[On Sale 10/23 10pm] Russian Demantoid Garnet (Horsetail Certified) 3.8mm/0.255ct Loose Stone Sale price¥39,800
ブルートパーズ 0.754ctルース

[On Sale at 10 PM on 10/23] Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone Sale price¥5,980
[10/13 22:00 Sale] Pt900 Ice Blue Diamond 0.333ct 0.333ct Akoya Pearl 8.0mm Earrings

[10/13 22:00 Sale] Pt900 Ice Blue Diamond 0.333ct 0.333ct Akoya Pearl 8.0mm Earrings Sale price¥98,000
[On Sale at 10 PM on October 13th] Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2)

[On Sale at 10 PM on October 13th] Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2) Sale price¥39,800
K18PGカナリーイエローダイヤモンド（トリートメント）0.214ct・アレキサンドライトリング 中宝付

[Available at 10:00 PM on October 13th] 18K White Gold and PG Canary Yellow Diamond (Treated) 0.214ct (SI-1, Fancy Intense Greenish Yellow) and Alexandrite Ring Sale price¥128,000
[Available at 10:00 PM on October 12th] "Purple Sun" Ice Blue Sapphire, Amethyst, Bekiri Blue Garnet, and Tanzanite 13-Stone Half Eternity Ring Set (2.0mm)

[Available at 10:00 PM on October 12th] "Purple Sun" Ice Blue Sapphire, Amethyst, Bekiri Blue Garnet, and Tanzanite 13-Stone Half Eternity Ring Set (2.0mm) Sale price¥98,000
モザンビーク産パライバトルマリン 1.309ctルース（酸化鉄インクルージョン含む）

[On Sale 10/13 at 10 PM] 1.309ct Paraiba Tourmaline Loose Stone from Mozambique (Contains Iron Oxide Inclusions) Sale price¥98,000
ラボグロウンダイヤモンド（合成ダイヤモンド） 0.290ctルース(FANCY VIVID PINK, VS-2)

[On Sale at 10 PM on October 12th] Lab-Grown Diamond (Synthetic Diamond) 0.290ct Loose (FANCY VIVID PINK, VS-2) Sale price¥45,800
ブラジル産パライバトルマリン 0.052ctルース

[10/12 22:00 Sale] Brazilian Paraiba Tourmaline 0.052ct Loose Stone Sale price¥29,800
非加熱ブラジル産パライバトルマリン 0.170ctルース

[On Sale 10/11 at 10 PM] Brazilian Paraiba Tourmaline 0.170ct Loose Stone (CuO: 2.1%, MnO: 1.1%) Sale price¥198,000
ブラジル産ロンドンブルートパーズ 0.415ctルース

[10/18 22:00 Sale] Brazilian London Blue Topaz 0.415ct Loose Sale price¥6,980
ロシア産デマントイドガーネット（ホーステール認む） 0.079ctルース

[10/16 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.079ct Loose Stone Sale price¥12,800
ロシア産デマントイドガーネット（ホーステール認む） 0.075ctルース

[10/16 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.075ct Loose Stone Sale price¥12,800
ロシア産デマントイドガーネット（ホーステール認む） 2.5mm/0.073ctルース

[On Sale at 10 PM on October 25th] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.073ct Loose Stone Sale price¥14,800
ロシア産デマントイドガーネット（ホーステール認む） 0.487ctルース

[On Sale at 10 PM on October 21st] Russian Demantoid Garnet (Horsetail Certified) 0.487ct Loose Stone Sale price¥110,000
ロシア産デマントイドガーネット 0.192ctルース

[Lottery Sale] 0.192ct Russian Demantoid Garnet Loose Stone Sale price¥98,000
バイカラートルマリン 1.449ctルース

[On Sale at 10pm on 10/21] Brazilian Bicolor Tourmaline 1.449ct Loose Sale price¥19,800
ブラジル産バイカラートルマリン 0.621ctルース

[On Sale at 10pm on 10/21] Brazilian Bicolor Tourmaline 0.621ct Loose Stone Sale price¥12,800
非加熱ブラジル産パライバトルマリン 0.073ctルース

[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone Sale price¥69,800
非加熱ブラジル産パライバトルマリン 0.063ctルース

[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone Sale price¥65,800
非加熱ブラジル産パライバトルマリン 0.025ctルース

[12552081] Unheated Brazilian Paraiba Tourmaline 0.025ct Loose Stone Sale price¥29,800
非加熱ブラジル産パライバトルマリン 0.037ctルース

[12552075] Unheated Brazilian Paraiba Tourmaline 0.037ct loose stone Sale price¥45,800
非加熱ブラジル産パライバトルマリン 0.042ctルース

[12552074] Unheated Brazilian Paraiba Tourmaline 0.042ct Loose Stone Sale price¥59,800
コロンビア産トラピッチェエメラルド 0.538ct原石

[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone Sale price¥22,800
トリプライト 0.322ctルース

[12551639] Triplite 0.322ct loose stone Sale price¥15,800
イエロートルマリン 0.469ctルース

[Posted in 12548907] Yellow tourmaline 0.469ct loose Sale price¥8,800
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
"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
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
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
【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
"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
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
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
Diamond 1.2mm (VS class, DG color, round cut, melee diamond) 1 loose stone {Multiple purchase discounts available}

Diamond 1.2mm (VS class, DG color, round cut, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥1,980
H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available}

H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥3,980
1 stone of Brazilian blue tourmaline (3 x 4 mm pear shape/oval cut/3 x 5 mm pear shape/4 x 5 mm oval cut)《Discount available for multiple purchases》

1 stone of Brazilian blue tourmaline (3 x 4 mm pear shape/oval cut/3 x 5 mm pear shape/4 x 5 mm oval cut)《Discount available for multiple purchases》 Sale priceFrom ¥2,980
1 American Herkimer Diamond (rock crystal) 💎 (child-bearing type)《Multiple purchase discount available》

1 American Herkimer Diamond (rock crystal) 💎 (child-bearing type)《Multiple purchase discount available》 Sale price¥2,980
Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discount available}

Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discount available} Sale price¥1,580
Lab-grown ice blue diamond set of two (synthetic diamond, VS class equivalent, 1mm) {Multiple purchase discount available}

Lab-grown ice blue diamond set of two (synthetic diamond, VS class equivalent, 1mm) {Multiple purchase discount available} Sale price¥1,580
グリーンダイヤモンド（トリートメント）1石（約1.3mm)

Green Diamond (Treatment) 1 stone (approx. 1.3mm)《Multiple purchase discount available》 Sale price¥3,580
[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available}

[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥2,980
1 blue fluorescent diamond (H&C, 3EX, VS-SI class equivalent, 2.0mm) {Multiple purchase discount available}

1 blue fluorescent diamond (H&C, 3EX, VS-SI class equivalent, 2.0mm) {Multiple purchase discount available} Sale price¥8,980
[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

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.