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zircon

Zircon, which is sometimes used in geological research, is also known as the oldest mineral on earth. Depending on the cut, they emit a strong sparkle similar to diamonds, and the way they sparkle in the light has an indescribable charm. It is colorless and has various shades such as yellow, blue, brown, green, orange, and red.

Karatz GemMagazine
" Zircon "

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Sold out ミャンマー産カラーチェンジジルコン 2.030ctルース 日独鑑

Color change zircon from Myanmar 2.030ct loose Japanese-German edition

Sold out 【甲州貴石切子】ピンクジルコン 1.480ctルース - カラッツSTORE

[Koshu precious stone Kiriko plusthree] Pink zircon 1.480ct loose Subaru "Collaboration" with patch

coming soon 【6/6 22時販売】カンボジア産ブルージルコン（ラタナキリブルー） 1.455ctルース 鑑別書

【6/6 22時販売】カンボジア産ブルージルコン（ラタナキリブルー） 1.455ctルース 鑑別書 Sale price¥22,800
coming soon 【6/6 22時販売】カンボジア産ブルージルコン（ラタナキリブルー） 1.782ctルース 鑑別書

【6/6 22時販売】カンボジア産ブルージルコン（ラタナキリブルー） 1.782ctルース 鑑別書 Sale price¥26,800
coming soon スリランカ産ジルコンキャッツアイ 2.087ctルース

【6/5 22時販売】スリランカ産ジルコンキャッツアイ 2.087ctルース 鑑別書 Sale price¥39,800
Sold out マダガスカル産イエローサファイア 0.268ctルース

Yellow Zircon 0.268ct Loose

Sold out ブルージルコン 0.267ctルース

Cambodian blue zircon 0.267ct loose

coming soon [12555754] Color-change Zircon 0.556ct Loose Stone

[12555754] Color-change Zircon 0.556ct Loose Stone Sale price¥39,800
Sold out ジルコン 2.219ctルース（結晶入り） 日独鑑

Zircon 2.219ct loose (with crystals) Japanese-German edition
Sold out 【さくらシェイプ】スリランカ産グリーンジルコン 7.7mm/2.620ctルース

Sakura Shape Green Zircon from Sri Lanka, 7.7mm/2.620ct Loose
Sold out カンボジア産ブルージルコン（ラタナキリブルー） 0.529ctルース

Cambodian Blue Zircon (Ratanakiri Blue) 0.529ct Loose Stone
Sold out 【甲州貴石切子】コニャックジルコン 10.930ctルース《コラボ》ワッペン付《12月新誕生石》

[Koshu Precious Stone Cut] Cognac Zircon 10.930ct Loose Stone [Collaboration] Patch
Sold out ミャンマー産カラーチェンジジルコン 0.215ctルース

Myanmar color change zircon 0.215ct loose stone
Sold out 【12548727掲載】カンボジア産ブルージルコン（ラタナキリブルー） 1.342ctルース

[Atria Cut] Cambodian Blue Zircon (Ratanakiri Blue) 6mm/1.342ct Loose Stone
Sold out ブルージルコン 1.120ctルース

[Clover in cut] Cambodian blue zircon (Ratanakiri blue) 6.0mm/1.120ct {Collaboration} Loose
Sold out マラウイ産バイカラージルコン 0.604ctルース

Malawi Bicolor Zircon 0.604ct Loose Stone

Sold out カンボジア産カラーレスジルコン 0.533ctルース

Cambodian colorless zircon 0.533ct loose stone

Myanmar color change zircon 0.301ct loose stone

Sold out 【スタッフセレクション】ブルージルコン 0.902ctルース（セミオーダーメイドセット）

[Staff Selection] [Mr. KEN] Cambodian Ratanakiri Blue Zircon 0.902ct Loose (Semi-Custom Made Set)
Sold out 【スタッフセレクション】【KEN氏】タンザニア産オレンジジルコン 0.650ctルース（セミオーダーメイドセッ

[Staff Selection] [Mr. KEN] Tanzanian orange zircon 0.650ct loose stone (semi-custom made set)
Sold out カンボジア産ホワイトジルコン（カラーレスジルコン） 0.952ctルース

Cambodian white zircon (colorless zircon) 0.952ct loose stone
Sold out カンボジア産ブルージルコン 4.220ctルース

Cambodian blue zircon 4.220ct loose

Sold out ブルージルコン（ラタナキリブルー） 4.008ctルース

Blue Zircon (Ratanakiri Blue) 4.008ct loose

Sold out 【甲州貴石切子】ブルージルコン 2.04ctルース - カラッツSTORE

[Koshu precious stone Kiriko plusthree] Blue zircon 2.04ct loose "Collaboration" with emblem

Sold out ブルージルコン 4.35ctルース

Blue zircon 4.35ct loose

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.