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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[On Sale at 10 PM on August 16th] Unheated Padparadscha Sapphire 3.9mm/0.290ct Loose GIA

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[Available at 10 PM on August 15th] Sri Lankan Twin Star Sapphire 3.242ct Loose

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[On sale at 10pm on August 14th] Madagascar sapphire 0.569ct loose

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[On Sale at 10 PM on August 9th] Madagascar Sapphire 0.615ct Loose

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[On Sale at 10 PM on August 2nd] Madagascar Sapphire 0.516ct Loose

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【4/17 22時販売】【猫カット】バンカチャサファイア 6mm/0.812ctルース - カラッツSTORE

[Cat cut] Bankacha sapphire 0.812ct loose stone

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Sri Lankan Star Sapphire 0.533ct Loose

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Bicolor sapphire 0.970ct loose stone

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Sri Lankan Yellow Sapphire 0.481ct Loose

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Cornflower Blue Sapphire 4.5mm/0.480ct Loose Stone AIGS

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Sri Lankan bicolor sapphire 0.301ct loose stone

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Sri Lankan Blue Sapphire 4.6mm/0.396ct Loose

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Sapphire 3.3mm/0.187ct loose stone

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Sri Lankan Yellow Sapphire 0.403ct Loose

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Unheated Color Change Blue Sapphire 1.450ct Loose GIT

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Blue sapphire 0.699ct loose stone

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Sri Lankan Blue Sapphire 0.245ct Loose

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Sri Lankan Yellow Sapphire 0.302ct Loose

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Tanzanian bicolor sapphire 0.417ct loose stone

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Bicolor sapphire from Tanzania 1.680ct loose (Windsor sapphire)

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Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS

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Limited 3 Stones Gem Gacha💎Black Star Sapphire (including 12-ray star) Loose from Bangkacha, Thailand

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[Sakura Shape] Synthetic Sapphire 8.533ct Loose

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Tanzania Windsor Sapphire 1.20ct Loose

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Violet sapphire from Madagascar 4.6mm/0.462ct loose stone

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Sri Lankan pink star sapphire 0.481ct loose stone

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Sri Lankan pink star sapphire 0.526ct loose stone

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非加熱ヴァイオレットサファイア 5.1mm/0.760ctルース（シルクインクージョン）

Unheated Violet Sapphire 5.1mm/0.760ct Loose (Silk Inclusion)

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Vietnam unheated silky pink sapphire 0.182ct loose stone

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Madagascar Purple Sapphire 0.562ct Loose JTL Catalog

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Tanzanian bicolor sapphire 0.597ct loose stone

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Sri Lankan Blue Sapphire 4.0mm/0.329ct Loose Stone

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Sri Lankan Yellow Sapphire 0.124ct Loose

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Unheated silky sapphire from Sri Lanka 0.902ct loose stone

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Madagascar sapphire 0.550ct loose stone

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K18YG アメリカ産オレゴンサンストーン 0.676ct ・パパラカラーサファイア・ブラウンダイヤモンド・ペンダントトップ（ネックレストップ）

K18YG Oregon Sunstone 0.676ct from the United States, Padparadscha Color Sapphire, Brown Diamond Pendant (Necklace)

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Silky pink sapphire from Madagascar 0.468ct loose stone

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Blue sapphire 0.217ct loose stone

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Blue sapphire 0.381ct loose stone

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0.768ct Yellow Sapphire Loose Stone from Ratnapura, Sri Lanka

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Montana sapphire 9 stone half eternity ring set (3.0mm)

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Mozambique Pink Sapphire 0.377ct Loose (Hot Pink Sapphire)

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Silky sapphire from Sri Lanka 1.080ct loose

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Bicolor sapphire from Madagascar 0.293ct loose

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Unheated white sapphire 5.765ct loose DGL version

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Cornflower Blue Sapphire 4.8mm/0.690ct Loose AIGS

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Cornflower blue sapphire 0.910ct loose AIGS

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Unheated Padparadscha Sapphire 0.450ct Loose GIA

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.