Sale

1 stone loose pink spinel (princess cut, approx. 2.5mm)《Discount available for multiple purchases》 Sale price¥2,980

Diamond loose sorting transition fee Sale price¥3,000

【宝石商の道具】冷却ヒビ入れ染色クォーツ色違い2石セット - カラッツSTORE

[Jeweler's Tools] Cooling Cracked Dyed Quartz Set of 2 Stones in Different Colors (Discount available for multiple purchases) Sale price¥2,980

【カラフリ】Pt900ボルダーオパール15.82ct ペンダントトップ（ネックレストップ） - カラッツSTORE

[Colorful] Pt900 Boulder Opal 15.82ct Pendant Top (Necklace Top) Sale price¥69,800

Petalite 1 stone loose (6mm, round cut)《Multiple purchase discount available》 Sale price¥2,580

【カラフリ】K18ロッククリスタルペンダントトップ（ネックレストップ） - カラッツSTORE

[Colorful] K18 rock crystal pendant top (necklace top) Sale price¥39,800

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

Scapolite Cat's Eye 8.880ct Loose Sale price¥8,800

Cambodian Blue Zircon (Ratanakiri Blue) 23.12ct Loose Sale price¥498,000

Charges for changing to paid shipping Sale price¥500

Orange Scapolite 5.57ct loose Sale price¥19,800

Euparite 193g Sale price¥39,800

[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee Sale price¥15,000

Additional charges page Sale price¥15,000

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) Sale price¥2,980

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》 Sale price¥3,980

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} Sale price¥1,580

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 Sale price¥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¥59,800

【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¥59,800

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

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

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

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

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) Sale price¥55,800

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¥105,800

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《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¥79,800

Additional charge for resizing Sale price¥750

Diamond loose/certificate transfer fee Sale price¥5,000

[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

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

[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones Sale price¥6,980

[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery Sale price¥6,980

[Jeweler's Tools] White penlight (for loose), loose 3-piece set Sale price¥5,980

Additional fee: 7,500 yen Sale price¥7,500

Additional fee +6,000 yen Sale price¥6,000

Additional fee: +20,000 yen Sale price¥20,000

[Made to order] "Rhino Ring" by special modeling artist Masatoshi Asami {Exhibited at Ueno Marui} Sale price¥158,000

Additional fee +5,000 yen Sale price¥5,000

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.