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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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0.329ct Loose Blue Sapphire from Sri Lanka

0.329ct Loose Blue Sapphire from Sri Lanka Sale price¥15,800
【12558285掲載】ブルーサファイア 0.455ctルース

0.455ct Loose Madagascar Blue Sapphire Sale price¥25,800
マダガスカル産ブルーサファイア 0.413ctルース

Madagascar Blue Sapphire 0.413ct Loose Stone Sale price¥15,800
0.442ct Loose Blue Sapphire from Sri Lanka

0.442ct Loose Blue Sapphire from Sri Lanka Sale price¥22,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)

Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift) Sale price¥158,000
スリランカ産バイカラーサファイア 0.442ctルース

Sri Lankan Bi-Color Sapphire 0.442ct Loose Gemstone Sale price¥15,800
【12562679掲載】スリランカ産ブルーサファイア 0.557ctルース

Sri Lankan blue sapphire, 0.557 ct, loose Sale price¥22,800
【12562678掲載】スリランカ産ブルーサファイア 0.517ctルース

0.517ct loose blue sapphire from Sri Lanka Sale price¥18,800
【12562516掲載】スリランカ産非加熱スターサファイア 0.499ctルース

Unheated Sri Lankan star sapphire 3.9mm/0.499ct loose gemstone Sale price¥8,800
スリランカ産非加熱スターサファイア 0.523ctルース

Unheated Sri Lankan Star Sapphire 0.523ct Loose Stone Sale price¥9,800
スリランカ産非加熱スターサファイア 0.618ctルース

Unheated Sri Lankan Star Sapphire 0.618ct Loose Stone Sale price¥9,800
スリランカ産非加熱スターサファイア 0.710ctルース

0.710ct Unheated Star Sapphire Loose Stone from Sri Lanka Sale price¥8,800
スリランカ産非加熱スターサファイア 0.737ctルース

Unheated Sri Lankan Star Sapphire 0.737ct Loose Stone Sale price¥9,800
【12552988掲載】タンザニア産イエローサファイア 0.281ctルース

0.281ct Tanzanian Yellow Sapphire Loose Gemstone Sale price¥6,980
Madagascar Blue Sapphire 0.347ct Loose Stone with Appraisal Report

Madagascar Blue Sapphire 0.347ct Loose Stone with Appraisal Report Sale price¥25,800
イエローサファイア 0.294ctルース

Yellow sapphire 0.294ct loose Sale price¥8,800
イエローサファイア 0.464ctルース

Yellow sapphire 0.464ct loose Sale price¥9,800
Montana Sapphire 0.515ct loose (bicolor sapphire)

Montana Sapphire 0.515ct loose (bicolor sapphire) Sale price¥15,800
Montana Sapphire 0.397ct loose (bicolor sapphire)

Montana Sapphire 0.397ct loose (bicolor sapphire) Sale price¥12,800
モザンビーク産ホットピンクサファイア 0.175ctルース

0.175ct loose hot pink sapphire from Mozambique Sale price¥15,800
Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose

Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose Sale price¥12,800
Blue Sapphire 5.0mm/0.552ct Loose Stone

Blue Sapphire 5.0mm/0.552ct Loose Stone Sale price¥18,800
0.257ct Unheated Silky Pink Sapphire from Vietnam

0.257ct Unheated Silky Pink Sapphire from Vietnam Sale price¥12,800
Sri Lankan Bicolor Sapphire 0.607ct Loose Stone

Sri Lankan Bicolor Sapphire 0.607ct Loose Stone Sale price¥15,800
Sri Lankan bicolor sapphire 0.586ct loose stone

Sri Lankan bicolor sapphire 0.586ct loose stone Sale price¥39,800
スリランカ産スターサファイア 1.743ctルース

Sri Lankan triple star sapphire 1.743ct loose stone Sale price¥128,000
グリーンサファイア 0.348ctルース

Mint green sapphire 0.348ct loose Sale price¥9,800
マダガスカル産バイカラーサファイア 0.265ctルース

Bicolor sapphire from Madagascar 0.265ct loose Sale price¥16,800
ベトナム産非加熱シルキーピンクサファイア 0.247ctルース

Unheated silky pink sapphire from Vietnam 0.247ct loose Sale price¥8,800
Sri Lankan Yellow Sapphire 0.343ct Loose

Sri Lankan Yellow Sapphire 0.343ct Loose Sale price¥12,800
1.689ct loose teal blue sapphire

1.689ct loose teal blue sapphire Sale price¥98,000
Sri Lankan star sapphire 12.679ct loose

Sri Lankan star sapphire 12.679ct loose Sale price¥158,000
スリランカ産スターサファイア 5.066ctルース

Sri Lankan star sapphire 5.066ct loose Sale price¥69,800
スリランカ産スターサファイア 3.821ctルース

Sri Lankan star sapphire 3.821ct loose Sale price¥79,800
Sri Lankan star sapphire 3.317ct loose

Sri Lankan star sapphire 3.317ct loose Sale price¥59,800
Sri Lankan star sapphire 11.342ct loose

Sri Lankan star sapphire 11.342ct loose Sale price¥69,800
Sri Lankan blue sapphire 1.008ct loose stone

Sri Lankan blue sapphire 1.008ct loose stone Sale price¥69,800
Green sapphire 0.607ct loose stone

Green sapphire 0.607ct loose stone Sale price¥12,800
Sri Lankan Yellow Sapphire 0.170ct Loose

Sri Lankan Yellow Sapphire 0.170ct Loose Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose

Sri Lankan Yellow Sapphire 0.182ct Loose Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose

Sri Lankan Yellow Sapphire 0.297ct Loose Sale price¥12,800
1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)

1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire) Sale price¥9,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)

Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire) Sale price¥14,800
Pink sapphire 0.225ct loose

Pink sapphire 0.225ct loose Sale price¥6,980
スリランカ産スターサファイア 1.487ctルース

Sri Lankan star sapphire 1.487ct loose Sale price¥8,800
ベトナム産非加熱シルキーピンクサファイア 0.426ctルース

Unheated silky pink sapphire from Vietnam 0.426ct loose Sale price¥9,800
モンタナサファイア 3mm/0.155ctルース

Montana Sapphire 3mm/0.155ct loose Sale price¥18,800
グリーンランド産サファイア 0.133ctルース

Greenland sapphire 0.133ct loose stone with certificate Sale price¥14,800

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.