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Sold out 合成モアッサナイト 0.970ctルース
Sold out マダガスカル産アンデシン・ラブラドライト(通称名 レインボームーンストーン) 0.581ctルース
Sold out ブラジル産メデューサクォーツ(パライバクォーツ) 1.132ctルース
Sold out ブラジル産メデューサクォーツ(パライバクォーツ) 1.241ctルース
Sold out Australian black opal 0.232ct loose stone
Sold out 【12562558掲載】オーストラリア産ブラックオパール 0.251ctルース
Sold out オーストラリア産ブラックオパール 0.588ctルース
Sold out [Sales end Thursday, April 30] Anime "Overlord" x KARATZ Jewelry Store Collaboration A3 Clear Poster
Sold out [Sales end on Thursday, April 30th] Anime "Overlord" x KARATZ Jewelry Store Collaboration - All 3 Types of Microfiber Cloths
Sold out [Sales end on Thursday, April 30] Anime "Overlord" x KARATZ Jewelry Store Collaboration Multi-Acrylic Stands (All 3 Types)
Sold out [Sales end on 4/30 (Thu)] Anime "Overlord" x KARATZ Jewelry Store Collaboration Random Acrylic Card (7 types)
Sold out [Sales End: Thursday, April 30] Anime "Overlord" x KARATZ Jewelry Store Collaboration Random Can Badge Collection (6 Types)
Sold out 【Sales end on Thursday, April 30th】Anime "Overlord" x Jewelry Specialty Store KARATZ Collaboration Big Acrylic Stand (Pre-order)
Sold out [Limited to 10 stones] Brazilian Scolite (average 3ct) [Multi-buy discount available]
Sold out 《Tucson Arrivals - Limited to 4 Stones》Canadian Eudialyte, approx. 2.5mm《Multiple Purchase Discount Available》
Sold out オーストラリア産レインボーラティスサンストーン 0.378ctルース
Sold out オーストラリア産レインボーラティスサンストーン 0.498ctルース
Sold out オーストラリア産レインボーラティスサンストーン 0.353ctルース
Sold out 《Limited to 20 stones》Demantoid Garnet Gacha, including Russian demantoid garnets, normally priced at 69,800 yen 《Multiple purchase discount available》
Sold out 《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》
Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out Tanzanian UV Type Mint Garnet 0.440ct Loose Stone
Sold out 0.628ct Mozambican Rhodolite Garnet Loose Stone
Sold out 0.562ct Almandine Garnet Loose Stone from Mozambique
Sold out Mozambique Almandine Garnet 0.961ct Loose
Sold out Brazilian Pink Amethyst 2.545ct Loose Stone
Sold out Brazilian Color Change Amethyst 1.998ct Loose
Sold out Brazilian color-shift amethyst 1.085ct loose
Sold out 【12562100掲載】ブラジル産シトリン 1.852ctルース
Sold out 【12562098掲載】ブラジル産デュモルチェライトインクォーツ 0.531ctルース
Sold out 【12562097掲載】ブラジル産デュモルチェライトインクォーツ 0.594ctルース
Sold out 【12562093掲載】ブラジル産デュモルチェライトインクォーツ 0.839ctルース
Sold out 0.522 ct Dumortierite in Quartz from Brazil, Loose
Sold out 【12562091掲載】ブラジル産デュモルチェライトインクォーツ 0.720ctルース
Sold out 【12562085掲載】ブラジル産デュモルチェライトインクォーツ 0.603ctルース
Sold out 0.929ct Dumortierite in Quartz from Brazil Loose Gemstone
Sold out 【12562074掲載】ブラジル産ライモナイトインクォーツ(オーロラクォーツ) 1.894ctルース
Sold out インド産カバンサイト 240.461ct原石
Sold out 《Limited to 13 stones》Synthetic Gacha (with additional synthetic alexandrite) including D/IF/3EX lab-grown diamonds normally priced at 39,800 yen and Sakura-cut YAGs normally priced at 59,800 yen. 《Multiple purchase discount available》
Sold out Limited to 9 stones: Padparadscha Sapphire Gacha (plus a princess-cut sapphire) (Multiple purchase discounts available)
Sold out オーストラリア産レインボーラティスサンストーン 0.587ctルース
Sold out オーストラリア産レインボーラティスサンストーン 1.082ctルース
Sold out デンドリティッククォーツ 4.272ctルース
Sold out ブルージルコン 0.267ctルース
Sold out ウォーターメロントルマリン 3.403ctルース
Sold out モンタナサファイア 0.235ctルース
Sold out Auinite 2.3mm/0.060ct loose
Sold out アウイナイト 0.064ctルース

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.