sapphire

Sapphire is the birthstone of September. Isn't this a gemstone that can be said to be the representative blue gemstone? However, there are actually many colors, including ``bicolor sapphire'' that exhibits two colors in one stone, ``color change sapphire'' that has a color change effect, and ``star sapphire'' that shows six lines when exposed to light. There are many types such as ``. It belongs to the same mineral corundum as ruby, and has high Mohs hardness and toughness, making it a gemstone that can be enjoyed as everyday jewelry.

Karatz GemMagazine
" sapphire "

[Available at 10 PM on 10/11] [Limited to 15 stones] Blue Stone Gacha (Top Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) [Multiple Purchase Discounts Available] Sale price¥3,980

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Bicolor sapphire 0.292ct loose Sale price¥22,800

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[On Sale 10/12 at 10 PM] [Limited to 10 stones] Unheated Sapphire (3.5mm, Round Cut) from Theppanawa Mine, Sri Lanka (Loose) [Multiple Purchase Discounts Available] Sale price¥4,980

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Black Star Sapphire 1.410ct loose Sale price¥14,800

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Unheated Kashmir Sapphire 3.5mm/0.200ct Loose GIA

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Unheated Kashmir Sapphire 2.3mm/0.080ct Loose GIA

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Sri Lankan White Sapphire 4.3mm/0.382ct Loose

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Sri Lankan Star Sapphire 0.951ct Loose

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Madagascar sapphire 0.298ct loose stone

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Sri Lankan Purple Sapphire 1.101ct Loose Stone with Certificate

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Madagascar Padparadscha Sapphire 0.240ct Loose GIA

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Madagascar Padparadscha Sapphire 0.227ct Loose DGL

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Violet sapphire from Madagascar 0.361ct loose stone

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Bicolor sapphire 0.973ct loose stone

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Blue sapphire 0.362ct loose stone

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[Sakura In-Cut] Pink Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.924ct Loose

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Madagascar Pink Sapphire 0.301ct Loose Stone (Silky Pink)

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Padparadscha Sapphire 6.4mm/1.208ct Loose Medium Treasure Guide

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Thai Black Star Sapphire (Bangkacha Sapphire) 1.370ct Loose

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Kenyan gold sheen sapphire 2.3mm/0.084ct loose

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Tanzanian bicolor sapphire 0.571ct loose stone

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Kenyan gold sheen sapphire 2.2mm/0.068ct loose

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Madagascar Bicolor Sapphire 0.303ct Loose

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Blue sapphire 5.2mm/0.607ct loose stone

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Vietnam unheated silky pink sapphire 0.312ct loose stone

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Unheated Sri Lankan Sapphire 1.550ct Loose GIA (Silk Inclusion)

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[On sale from 12:00 on 5/15] Madagascar bicolor sapphire 0.333ct loose stone

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Teal blue sapphire 0.560ct loose stone

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Blue sapphire 4.0mm/0.243ct loose stone

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Blue sapphire 0.533ct loose

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Blue sapphire 0.874ct loose stone

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Madagascar Blue Sapphire 0.194ct Loose

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Tanzania Windsor Sapphire 0.970ct Loose

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[Cat cut] Sapphire 4.096ct loose stone

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[On sale from 10pm on 5/3] K18PG Madagascar pink sapphire 0.32ct brown diamond ring Sale price¥69,800

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Tanzanian bicolor sapphire 0.244ct loose stone

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Sri Lankan Blue Sapphire 0.816ct Loose Stone (Rainbow Inclusions)

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Star sapphire 7.256ct loose stone

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Blue sapphire 3.9mm/0.280ct loose stone

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Madagascar pink sapphire 0.461ct loose stone

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Color change sapphire 0.265ct loose stone

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Color change sapphire 0.459ct loose stone

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Bicolor sapphire 0.246ct loose stone

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Bicolor sapphire 0.203ct loose

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Bicolor sapphire 0.131ct loose stone

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Bicolor sapphire 0.083ct loose

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Bicolor sapphire 0.184ct loose

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Bicolor sapphire 0.140ct 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.