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Additional charges page Sale price¥3,000
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
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
Purple Chalcedony 1 stone《Discount available for multiple purchases》

Purple Chalcedony 1 stone《Discount available for multiple purchases》 Sale price¥3,980
Euperlite 1 stone approx. 15ct-20ct (Michigan, USA) {Multiple purchase discount}

Euperlite 1 stone approx. 15ct-20ct (Michigan, USA) {Multiple purchase discount} Sale price¥2,580
Euperlite 1 stone approx. 10ct (Michigan, USA) {Multiple purchase discount}

Euperlite 1 stone approx. 10ct (Michigan, USA) {Multiple purchase discount} Sale price¥1,580
[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
Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》

Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》 Sale price¥3,980
[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
Pt850 Platinum Venetian Chain Long Necklace 0.7mm/0.8mm [60cm free]

Pt850 Platinum Venetian Chain Long Necklace 0.7mm/0.8mm [60cm free] Sale priceFrom ¥26,800
K18 イエローゴールド ベネチアンチェーン ロングネックレス 0.7mm／0.8mm／0.9mm【60cmフリー】 - カラッツSTORE

K18 yellow gold Venetian chain long necklace 0.7mm/0.8mm/0.9mm [60cm free] Sale priceFrom ¥46,800
Pt850 Platinum Red Bean Chain (Azuki) Long Necklace 0.9mm/1.1mm [60cm free]

Pt850 Platinum Red Bean Chain (Azuki) Long Necklace 0.9mm/1.1mm [60cm free] Sale priceFrom ¥25,800
K18 イエローゴールド 小豆チェーン （アズキ）ロングネックレス 0.9mm／1.1mm【60cmフリー】 - カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) Long Necklace 0.9mm/1.1mm [60cm Free] Sale priceFrom ¥41,800
1 stone of green opal from South Africa (discount available for multiple purchases)

1 stone of green opal from South Africa (discount available for multiple purchases) Sale priceFrom ¥2,980
【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¥47,800
【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¥47,800
Dolce "Semi-custom ring setting"

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

Amabile "Semi-custom ring setting" Sale price¥74,800
【石から選ぶセミオーダーリング枠】レガート - カラッツSTORE

Legato "Semi-custom ring setting" Sale price¥74,800
【石から選ぶセミオーダーリング枠】ヴィヴァーチェ - カラッツSTORE

Vivace "Semi-custom ring setting" Sale price¥74,800
Pt850 プラチナ ベネチアンチェーン 0.9mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Venetian Chain 0.9mm [40cm/45cm free] Sale priceFrom ¥25,800
Pt850 プラチナ ベネチアンチェーン 0.8mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Venetian Chain 0.8mm [40cm/45cm free] Sale priceFrom ¥22,800
Pt850 プラチナ ベネチアンチェーン 0.7mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Venetian Chain 0.7mm [40cm/45cm free] Sale priceFrom ¥16,800
K18 イエローゴールド ベネチアンチェーン 0.9mm - KARATZ STORE｜カラッツSTORE

K18 yellow gold Venetian chain 0.9mm [40cm/45cm free] Sale priceFrom ¥52,800
K18 イエローゴールド ベネチアンチェーン 0.8mm - KARATZ STORE｜カラッツSTORE

K18 yellow gold Venetian chain 0.8mm [40cm/45cm free] Sale priceFrom ¥31,800
K18 イエローゴールド ベネチアンチェーン 0.7mm - KARATZ STORE｜カラッツSTORE

K18 yellow gold Venetian chain 0.7mm [40cm/45cm free] Sale priceFrom ¥28,800
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
ピンクオパール・ブルーオパール2石セット（小・大サイズ） - KARATZ STORE｜カラッツSTORE

Pink opal/blue opal 2 stone set (small/large size)《Discount available for multiple purchases》 Sale priceFrom ¥1,980
Solo (Simple Order Pinky Ring Frame)

Solo (Simple Order Pinky Ring Frame) Sale price¥44,800
2石から選ぶオーダーメイド《リング》申し込みページ～ Duo(デュオ) ～ - カラッツSTORE

Duo (Simple Order Ring Frame) Sale price¥98,000
K18 イエローゴールド 小豆チェーン （アズキ） 1.4mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 1.4mm [40cm/45cm free] Sale priceFrom ¥49,800
K18 イエローゴールド 小豆チェーン （アズキ） 1.1mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 1.1mm [40cm/45cm free] Sale priceFrom ¥34,800
K18 イエローゴールド 小豆チェーン （アズキ） 0.9mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 0.9mm [40cm/45cm free] Sale priceFrom ¥26,800
Pt850 プラチナ 小豆チェーン （アズキ） 1.4mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Red Bean Chain (Azuki Bean) 1.4mm [40cm/45cm free] Sale priceFrom ¥27,800
Pt850 プラチナ 小豆チェーン （アズキ） 1.1mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Red Bean Chain (Azuki Bean) 1.1mm [40cm/45cm free] Sale priceFrom ¥19,800
Pt850 プラチナ 小豆チェーン （アズキ） 0.9mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Red Bean Chain (Azuki Bean) 0.9mm [40cm/45cm free] Sale priceFrom ¥15,800
K18タンザナイト1ct リング - KARATZ STORE｜カラッツSTORE

K18 Tanzanite 1.0ct Ring Sale price¥79,800
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
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
リングサイズ直し追加料金 - KARATZ STORE｜カラッツSTORE

Additional charge for resizing Sale price¥750
Diamond loose/certificate transfer fee

Diamond loose/certificate transfer fee Sale price¥5,000
[Jeweler's Tools] Color change penlight loose set

[Jeweler's Tools] Color change penlight loose set Sale price¥4,980
イエローダイヤモンド 0.190ctルース(FANCY DEEP ORANGY YELLOW, SI2) - KARATZ STORE｜カラッツSTORE

Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2) Sale price¥39,800
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
【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
[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
[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
K18PGローズクォーツ15.964ct ペンダント（甲州貴石切子） - KARATZ STORE｜カラッツSTORE

[Koshu Precious Stone Cut Glass] 18K White Gold Rose Quartz 15.964ct Necklace by Nikko Kan Sale price¥128,000

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.