chalcedony

Chalcedony is a polycrystalline quartz that exists in many types. It is broadly classified into three types: agate, jasper, and others. Many of them have unique colors and patterns, making them fun to collect.

Karatz GemMagazine
" Chalcedony "

Fukuoka SoftBank Hawks "Young Hawk Ring" - Single Type | SV925 Yellow Chalcedony - Sale price¥25,800

Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》 Sale price¥3,980

Purple Chalcedony 1 stone《Discount available for multiple purchases》 Sale price¥3,980

Officially licensed product: Yokohama DeNA Baystars home blue ring - double type | SV925, sea blue chalcedony, white chalcedony Sale price¥35,800

Fukuoka SoftBank Hawks "Young Hawk Ring" - Double Type | SV925, Yellow Chalcedony, White Chalcedony - Sale price¥35,800

Officially Licensed Product: Yokohama DeNA Baystars Home Blue Ring - Single Type | SV925, White Chalcedony Sale price¥25,800

Officially licensed product: Yokohama DeNA Baystars visitor's blue ring - double type | SV925, sea blue chalcedony, white chalcedony Sale price¥35,800

Officially licensed product: Yokohama DeNA Baystars visitor's blue ring - single type | SV925, sea blue chalcedony Sale price¥25,800

Brazilian White Chalcedony 0.925ct Loose Stone Sale price¥5,980

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

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Sea blue chalcedony 19.358ct loose

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【カメリアカット】パープルカルセドニー 11mm/3.845ct《コラボ》ルースワッペン付 - カラッツSTORE

[Camellia Cut] Purple Chalcedony 11mm/3.845ct《Collaboration》Loose with emblem

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【9/7 22時販売】Pt950ブラジル産シーブルーカルセドニー4mmピアス

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【カメリアカット】パープルカルセドニー 12mm/4.959ct《コラボ》ルースワッペン付

[Camellia Cut] Purple Chalcedony 12mm/4.959ct《Collaboration》Loose with emblem

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[Cat Cut] Brazilian White Chalcedony 2.996ct Loose

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Water Play 13 Stone Set (Santa Maria Aquamarine, Sea Blue Chalcedony, Blue Zircon, Diamond, etc.) Half Eternity Ring Set (2.0mm)

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[Konpeito] Sea blue chalcedony pendant top

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Sea blue chalcedony 5.627ct loose

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【poooohpigu様専用】カルセドニー 2.768ctルース - KARATZ STORE｜カラッツSTORE

[Konpeito] Chalcedony 2.768ct loose

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[Konpeito] Sea blue chalcedony 2.607ct loose

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[Konpeito] Sea blue chalcedony 2.606ct loose

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K18YGマダガスカル産ペツォッタイト・アクアブルーカルセドニーハーフエタニティリング

[On sale from 10pm on 5/4] K18YG Madagascar petzotite and aqua blue chalcedony half eternity ring

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Brazilian White Chalcedony 0.308ct Loose Stone

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K18 sea blue chalcedony earrings

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[Konpeito] Chalcedony 2.760ct 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.