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オーバルカット

Oval Cut

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Sold out カンボジア産ブルージルコン(ラタナキリブルー) 0.519ctルース
Sold out 【12561909掲載】カンボジア産カラーレスジルコン 1.121ctルース
Sold out Lazulite (0.077ct) from Pakistan, loose
Sold out 【12561305掲載】アメリカ産オレゴンサンストーン 0.472ctルース
Sold out 【12559896掲載】ブラジル産エレスチャルアメジスト 3.678ctルース
Sold out 【12559339掲載】ブラジル産インペリアルトパーズ 4.321ctルース
Sold out 奈良県天川村産レインボーガーネット(アンドラダイトガーネット) 1.951ctルース
Sold out Myanmar color change zircon 0.439ct loose stone
Sold out Sri Lankan Cobalt Spinel (Blue Spinel) 3.202ct Loose Stone (Needle-like Inclusions) Japan-German Rare Stone
Sold out Pakistani Triplite 1.107ct Loose Stone
Sold out Mexican Fire Opal 0.281ct Loose
Sold out 【12547478掲載】ヴァイオレットスピネル 0.776ctルース
Sold out Brazilian Yellow Beryl 1.473 ct Loose Stone
Sold out Mexican Fire Opal 0.362ct Loose
Sold out ベニトアイト(カボションカット) 0.300ctルース
Sold out ベニトアイト(カボションカット) 0.536ctルース
Sold out レピドクロサイトインクォーツ 0.992ctルース
Sold out ブラジル産サンタマリアアクアマリン 0.181ctルース
Sold out モンタナサファイア 0.262ctルース
Sold out モンタナサファイア 0.312ctルース
Sold out モンタナサファイア 0.291ctルース
Sold out モンタナサファイア 0.290ctルース
Sold out ミャンマー産バイカラージョウハチドーライト 0.416ctルース
Sold out 0.243ct Colombian Emerald Pair Loose Stones
Sold out Kenyan Tsavorite 0.347ct Loose Stone
Sold out 0.278 ct loose Nigerian cobalt gahnite with Japanese and German appraisals
Sold out Anthill garnet from the USA (with forsterite) 0.578ct loose
Sold out USA Oregon Sunstone 2.160ct Loose
Sold out USA Oregon Sunstone 1.869ct Loose
Sold out Cambodian Blue Zircon (Ratanakiri Blue) 0.537ct Loose
Sold out Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sold out 0.218ct Unheated Silky Pink Sapphire from Vietnam
Sold out 0.168ct Unheated Silky Pink Sapphire from Vietnam
Sold out Mexican fire opal 0.235ct loose (facet cut)
Sold out Madagascar Bekily Blue Garnet (Color Change Garnet) 0.132ct Loose Stone
Sold out 0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sold out Loose 0.901ct Imperial Topaz from Brazil with certificate
Sold out Brazilian unheated pink imperial topaz (sherry pink) 0.594ct loose stone with certificate of authenticity
Sold out Grandidierite from Madagascar 0.228ct loose stone
Sold out Unheated Madagascar Purple Sapphire 1.170ct Loose GIT
Sold out 0.257ct Unheated Silky Pink Sapphire from Vietnam
Sold out Unheated Blue Sapphire from Madagascar, 1.380ct Loose, AIGS
Sold out Brazilian Indicolite Tourmaline 0.342ct Loose
Sold out Kenyan Tsavorite 0.157ct Loose Gemstone
Sold out 0.321ct Blue Sapphire Loose Gemstone from Sri Lanka
Sold out メキシコ産ファイアオパール 0.728ctルース
Sold out Cornflower Blue Sapphire 0.680ct Loose AIGS

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.