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white sapphire

Colorless sapphire is called white sapphire.
Corundum minerals such as ruby ​​and sapphire are said to be originally colorless, but it is thought that some trace elements are added to them and they become colored.
Since they often have some kind of color, colorless ones seem to be rarer.
Sapphire is the birthstone for September.

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ホワイトサファイア 0.364ctルース

White sapphire 0.364ct loose Sale price¥9,800
【12533236掲載】ホワイトサファイア 0.338ctルース

White sapphire 0.338ct loose Sale price¥9,800
ホワイトサファイア 0.464ctルース

White sapphire 0.464ct loose Sale price¥9,800
White sapphire 0.418ct loose

White sapphire 0.418ct loose Sale price¥12,800
ホワイトサファイア 0.212ctルース

White sapphire 0.212ct loose Sale price¥6,980
ホワイトサファイア 4.5mm/0.414ctルース

White sapphire 4.5mm/0.414ct loose Sale price¥12,800
マダガスカル産ホワイトサファイア 0.485ctルース

Madagascar White Sapphire 0.485ct Loose Sale price¥19,800
ホワイトサファイア 0.242ctルース

Sri Lankan White Sapphire 4.0mm/0.242ct Loose Stone Sale price¥12,800
スリランカ産ホワイトサファイア 0.275ctルース

Sri Lankan White Sapphire 4.0mm/0.275ct Loose Sale price¥12,800
スリランカ産ホワイトサファイア 0.385ctルース

Sri Lankan White Sapphire 0.385ct Loose Sale price¥14,800
Sold out [On sale July 19 at 10 PM JST] Pink Sapphire Gacha including "Sakura Incut" Sapphire (usually 79,800 JPY) + 1 White Sapphire (Limited to 11 Stones) (Multi-purchase discount available)

[On sale July 19 at 10 PM JST] Pink Sapphire Gacha including "Sakura Incut" Sapphire (usually 79,800 JPY) + 1 White Sapphire (Limited to 11 Stones) (Multi-purchase discount available)
Sold out [On sale June 20, 10 PM JST] Sapphire Gacha💎 where you can win a Padparadscha Sapphire with DGL certificate, normally priced at ¥29,800 (comes with one white sapphire as a bonus) 《Multi-purchase discount available》

[On sale June 20, 10 PM JST] Sapphire Gacha💎 where you can win a Padparadscha Sapphire with DGL certificate, normally priced at ¥29,800 (comes with one white sapphire as a bonus) 《Multi-purchase discount available》
Sold out [On sale 7/22 at 10 PM] Limited to 10 Stones: Sapphire Gacha featuring a Certified Padparadscha Sapphire! (Multiple Purchase Discount Available)

[On sale 7/22 at 10 PM] Limited to 10 Stones: Sapphire Gacha featuring a Certified Padparadscha Sapphire! (Multiple Purchase Discount Available)
Sold out スリランカ産ホワイトサファイア 2.9mm/0.086ctルース（ローズカット）

Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sold out ホワイトサファイア 0.271ctルース

White sapphire 0.271ct loose
Sold out マダガスカル産ホワイトサファイア 0.490ctルース

Madagascar White Sapphire 0.490ct Loose JTL
Sold out Unheated white sapphire 5.765ct loose DGL version

Unheated white sapphire 5.765ct loose DGL version
Sold out ホワイトサファイア 0.537ctルース

White sapphire 0.537ct loose
Sold out ホワイトサファイア 4.3mm/0.382ctルース

Sri Lankan White Sapphire 4.3mm/0.382ct Loose
coming soon スリランカ・ラトゥナプラ産ホワイトサファイア 0.818ctルース

[Sakura Cut] White Sapphire from Ratnapura, Sri Lanka 6.0mm/0.818ct "Collaboration" Loose Gemstone Sale price¥98,000
coming soon 【7/29 22時販売】スリランカ産ホワイトサファイア 1.025ctルース 鑑別書

【7/29 22時販売】スリランカ産ホワイトサファイア 1.025ctルース 鑑別書 Sale price¥35,800

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.