Login

All

Sort by
Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite 2 stone set)

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite 2 stone set) Sale price¥2,980
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] Color change penlight loose set

[Jeweler's Tools] Color change penlight loose set Sale price¥4,980
1石から選ぶオーダーメイド《ペ ンダント》申し込み～ SOLO(ソロ) ～ - カラッツSTORE

Solo (Simple Order Pendant Frame) Sale price¥44,800
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
[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery

[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery Sale price¥6,980
Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Andesine Labradorite from Madagascar)

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Andesine Labradorite from Madagascar) Sale price¥3,980
[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel"

[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel" Sale priceFrom ¥25,800
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
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 price¥69,800
[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
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
Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for beginners: Inca Rose/Fluorite 2 stone set)

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for beginners: Inca Rose/Fluorite 2 stone set) Sale price¥2,980
[Jeweler's Tools] 2-piece loose tweezers set with stopper (for small jewelry)

[Jeweler's Tools] 2-piece loose tweezers set with stopper (for small jewelry) Sale price¥3,980
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
[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Shogo Makishima Razor Design Ring (Amethyst)

[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Shogo Makishima Razor Design Ring (Amethyst) Sale priceFrom ¥25,800
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」（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
On sale from 10 PM on Saturday, August 16th: "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] with London Blue Topaz

On sale from 10 PM on Saturday, August 16th: "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] with 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

[Option] Certificate issuance fee Sale priceFrom ¥2,750
[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
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
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
[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available)

[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available) Sale price¥2,980
On sale from 10 PM on Saturday, August 16th: "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] with Pink Diamond

On sale from 10 PM on Saturday, August 16th: "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] with Pink Diamond Sale priceFrom ¥29,800
[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS: PROVIDENCE" x KARATZ Collaboration Character Image Double Pendant

[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS: PROVIDENCE" x KARATZ Collaboration Character Image Double Pendant Sale priceFrom ¥25,800
Dragon Garnet 1 stone (2.0mm, round cut)《Discount available for multiple purchases》

Dragon Garnet 1 stone (2.0mm, round cut)《Discount available for multiple purchases》 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
[Sales end on Sunday, August 31st] TV anime "Magical Girls and Evil Were Once Enemies" x KARATZ collaboration heart badge featuring newly drawn illustrations

[Sales end on Sunday, August 31st] TV anime "Magical Girls and Evil Were Once Enemies" x KARATZ collaboration heart badge featuring newly drawn illustrations Sale price¥550
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
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
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
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
Euperlite 1 stone approx. 25ct-35ct (Michigan, USA) {Multiple purchase discount}

Euperlite 1 stone approx. 25ct-35ct (Michigan, USA) {Multiple purchase discount} Sale price¥2,980
Star Drop "Semi-custom pendant frame"

Star Drop "Semi-custom pendant frame" Sale price¥47,800
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
Euperlite 1 stone approx. 10ct (Michigan, USA) {Multiple purchase discount}

Euperlite 1 stone approx. 10ct (Michigan, USA) {Multiple purchase discount} Sale price¥1,580
[Sales end on Sunday, August 31st] TV anime "A long time ago, magical girls and evil were enemies." x KARATZ collaboration acrylic coaster featuring newly drawn illustrations

[Sales end on Sunday, August 31st] TV anime "A long time ago, magical girls and evil were enemies." x KARATZ collaboration acrylic coaster featuring newly drawn illustrations Sale price¥1,320
Solo (Simple Order Pinky Ring Frame)

Solo (Simple Order Pinky Ring Frame) Sale price¥44,800
【宝石商の道具】ペンライト（原石向け）・原石2点セット - KARATZ STORE｜カラッツSTORE

[Jeweler's Tools] Penlight (for rough stones), 2-piece set of rough stones Sale price¥4,980
合成モアッサナイト1石ルース（ミントグリーン,ペアシェイプカット,5×7mm)

Synthetic moissanite 1 stone loose (mint green, pear shape cut, 5 x 7 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980
《再販売》ハイヒール（ロッククリスタル）1石《宝石ハイヒール1個 - カラッツSTORE

High heels (rock crystal) 1 stone (gem high heels)《Discount available for multiple purchases》 Sale price¥6,980
On sale Saturday, August 16th at 10 PM! "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kagari Shusei Model] "Orange-Brown Zircon"

On sale Saturday, August 16th at 10 PM! "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kagari Shusei Model] "Orange-Brown Zircon" Sale priceFrom ¥25,800
[Sales end on Sunday, August 31st] TV anime "A long time ago, magical girls and evil were enemies." x KARATZ collaboration acrylic keychain featuring newly drawn illustrations

[Sales end on Sunday, August 31st] TV anime "A long time ago, magical girls and evil were enemies." x KARATZ collaboration acrylic keychain featuring newly drawn illustrations Sale price¥990
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
Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available} Sale price¥3,333

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.