Sale

1 stone pink amethyst (checkerboard cut, approx. 10ct, 14 x 14mm)《Discount available for multiple purchases》 Sale price¥4,980

Green Diamond (Treatment) 1 stone (approx. 1.3mm)《Multiple purchase discount available》 Sale price¥3,580

1 beryllium diffused sapphire stone (approximately 2.5mm, round cut)《Multiple purchase discounts available》 Sale price¥1,580

[Option] Certificate issuance fee Sale priceFrom ¥2,750

【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

First Star《Semi-Custom Pendant Frame》 Sale price¥47,800

Twin Stars《Semi-Custom Pendant Frame》 Sale price¥47,800

Lilium "Semi-custom pendant frame" Sale price¥47,800

Sea blue chalcedony 6.964ct loose Sale price¥7,980

EDEL Semi-custom pinky ring frame Sale price¥49,800

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

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

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

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

H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥3,980

Additional charges (ring size) Sale price¥1,000

Synthetic moissanite 1 stone loose (mint green, oval cut, 6 x 4 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980

Synthetic moissanite 1 stone loose (mint green, pear shape cut, 5 x 7 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980

Princess cut diamond 2.0mm loose (equivalent to VS class)《Multiple purchase discount available》 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

H&C (Heart & Cupid) Diamond 2.0mm Loose (VS Class, DG Class, 2mm Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥7,980

Hollandite in quartz 7.300ct loose Sale price¥25,800

1石から選ぶオーダーメイド《イヤリング・チェーンタイプ》申し込みページ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Earring Frame/Chain Type) Sale priceFrom ¥39,800

《単体購入不可》耐水ペーパー 3000番・5000番「自分で出来る原石磨きセットオプション専用」 - カラッツSTORE

[Cannot be purchased separately] Waterproof paper No. 3000/No. 5000 “For use with the do-it-yourself rough stone polishing set option” Sale price¥300

[Option] Non-heated inspection included Identification certificate issuance fee Sale price¥15,000

Brazilian alexandrite (average 0.12ct) loose (multiple purchase discount available) Sale price¥19,800

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

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：ホワイトラブラドライト）

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for intermediate users: white labradorite) Sale price¥3,980

Apatite 1 stone loose (briolette cut, approx. 4 x 5 mm)《Multiple purchase discount available》 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

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

1 sky blue topaz stone (10mm, flower cut)《Discount available for multiple purchases》 Sale price¥4,980

【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

Let's try polishing gemstones with the "Do-it-yourself gemstone polishing kit" (for intermediate users: Andesine Labradorite from Madagascar) Sale price¥3,980

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

Cornerpine 0.730ct rough stone Sale price¥4,980

Bicolor spinel 1.17ct loose Sale price¥79,800

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

Sky blue topaz 1 stone (10mm, flower cut)《Discount available for multiple purchases》 Sale price¥5,980

Euparite 193g Sale price¥39,800

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

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.