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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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Sold out Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)
Sold out Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)
Sold out 【12561129掲載】スリランカ産イエローサファイア 0.291ctルース
Sold out Pink sapphire (with hematite) 0.271ct loose stone
Sold out [Sakura InCut] Synthetic Sapphire 2.610ct Loose Stone (Synthetic Pink Sapphire)
Sold out [Yukinko Cut] Synthetic Sapphire 2.102ct Loose Stone
Sold out Silky sapphire from Vietnam, 1.169ct loose stone
Sold out 0.745ct loose bicolor sapphire from Windsor, Tanzania
Sold out Pt950 Bicolor Sapphire Pendant Top (Necklace Top)
Sold out Cornflower Blue Sapphire 0.370ct Loose AIGS
Sold out パパラチアサファイア 0.191ctルース
Sold out ミャンマー産バイカラースターサファイア 0.920ctルース
Sold out 0.628ct Pink Star Sapphire Loose Gemstone from Sri Lanka
Sold out ベトナム産非加熱シルキーピンクサファイア 0.202ctルース
Sold out Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sold out Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sold out 0.218ct Unheated Silky Pink Sapphire from Vietnam
Sold out 0.168ct Unheated Silky Pink Sapphire from Vietnam
Sold out 【12546496掲載】ベトナム産非加熱シルキーピンクサファイア 0.161ctルース
Sold out Unheated Madagascar Purple Sapphire 1.170ct Loose GIT

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.