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 "

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Tanzanian bicolor sapphire 0.486ct loose stone

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Sri Lankan star sapphire 1.323ct loose

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Sri Lankan star sapphire 1.061ct loose

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Color change sapphire 0.283ct loose

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Color change sapphire 0.401ct loose

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"Purple Sun Night" Ice Blue Sapphire, Amethyst, Bekiri Blue Garnet, and Tanzanite 13-Stone Half Eternity Ring Set (2.0mm)

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Unheated Royal Blue Sapphire 0.640ct Loose AIGS

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Pt950 Madagascar Color Change Sapphire (Bicolor Sapphire) 0.398ct Ring

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Padparadscha Sapphire 0.251ct Loose Stone

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[12548919 published] Unheated bicolor sapphire 2.600ct loose

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Bicolor sapphire 1.030ct loose from Windsor, Tanzania

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Tanzanian bicolor sapphire 0.955ct loose stone

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0.338ct loose blue sapphire from Madagascar

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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)

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Royal blue sapphire 1.44ct loose GIA

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[Published in 12539647] Unheated blue sapphire 1.685ct loose

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[12549429] Blue sapphire 0.862ct loose stone

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Sierra Leone sapphire 1.210ct loose

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0.244ct loose blue sapphire from Madagascar

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Pink sapphire 0.934ct loose

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Blue sapphire 0.591ct loose stone

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Star sapphire 0.973ct loose

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Bangkacha sapphire (star sapphire) 69.655ct loose

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Limited to 7 stones: One loose Madagascar sapphire (long hexagonal cut, approximately 5 x 3 mm) [Multiple purchase discounts available]

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Mozambique pink sapphire 0.176ct loose stone

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Pink sapphire 0.179ct loose stone

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Pink sapphire 0.115ct loose stone

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0.843ct loose blue sapphire from Madagascar

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1.141ct loose blue sapphire from Madagascar

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Madagascar Blue Sapphire 4.7mm/0.522ct Loose

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0.170ct loose blue sapphire from Madagascar

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0.162ct loose blue sapphire from Madagascar

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[Sakura In-Cut] Madagascar Purple Sapphire 6.0mm/0.943ct Loose Stone

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Unheated Kashmir Sapphire 2.5mm/0.080ct Loose GIA

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Padparadscha sapphire 0.220ct loose stone

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Cornflower blue sapphire 0.490ct loose stone

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Unheated Sri Lankan blue sapphire 0.890ct loose

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Cornflower Blue Sapphire 0.530ct Loose AIGS

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Madagascar Padparadscha Sapphire 3.5mm/0.228ct Loose

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【さくらインカット】非加熱ピンクサファイア 2.442ctルース《コラボ》日独鑑 - カラッツSTORE

[Sakura in-cut] Unheated pink sapphire 2.442ct loose "Collaboration" Japanese-German edition

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Yellow sapphire 0.385ct loose

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White sapphire 0.271ct loose

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White sapphire 4.5mm/0.414ct loose

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Unheated Padparadscha Sapphire 3.9mm/0.290ct Loose GIA

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Sri Lankan Twin Star Sapphire 3.242ct Loose

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Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate

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Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate

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Pink sapphire from Greenland 0.336ct loose with certificate

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.