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 "

Sri Lankan Blue Sapphire 0.550ct Loose Stone with Gem Identification Report Sale price¥39,800

Sri Lankan orange sapphire 0.654ct loose with certificate Sale price¥29,800

Sri Lankan Yellow Sapphire 0.815ct Loose Stone with Appraisal Sale price¥15,800

0.393ct Loose Tanzanian Windsor Sapphire (Purple Sapphire) with Gemstone Identification Report Sale price¥18,800

Madagascar Padparadscha Sapphire 4.5mm/0.416ct Loose Gemstone, Central Gemology Laboratory certified Sale price¥98,000

Pt900 ブルーサファイア 0.43ct・ダイヤモンド0.44ctリング鑑別書

[Item ID: 22602630] [Karafuri] Pt900 Blue Sapphire 0.43ct Ring Sale price¥98,000

Sri Lankan Yellow Sapphire 0.349ct Loose Sale price¥12,800

[Colorful] K18 Blue Sapphire 1.89ct / Diamond 0.74ct Ring with Appraisal Report Sale price¥298,000

Blue sapphire 0.287ct loose Sale price¥12,800

Madagascar Paparadscha Sapphire 3.4mm/0.252ct Loose Stone With CGL Certificate Sale price¥45,800

Ceylon ice blue sapphire, 1.134 ct, loose, with gemological report Sale price¥45,800

K18 白蝶真珠（白蝶パール）鳥モチーフペンダントトップ（ネックレストップ）鑑別書

【Qalafuri】K18 White South Sea Pearl, 0.17ct Diamond, Ruby, Sapphire, Emerald Bird Motif Pendant Top with Appraisal Sale price¥198,000

Tanzanian green sapphire 0.303ct loose stone Sale price¥8,800

Madagascar sapphire 0.448ct loose stone Sale price¥15,800

[Calafuri] K18 Blue Sapphire and Diamond Ring Appraisal Report Sale price¥128,000

Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone Sale price¥7,980

Royal Blue Sapphire 0.730ct Loose AIGS Sale price¥158,000

Blue Sapphire 0.369ct Loose Gemstone with Japan-Germany Appraisal Sale price¥22,800

Sri Lankan Star Sapphire 2.093ct Loose Sale price¥8,800

Sri Lankan Star Sapphire 1.339ct Loose Sale price¥12,800

Sri Lankan Star Sapphire 1.682ct Loose Sale price¥12,800

Sri Lankan Star Sapphire 1.225ct Loose Sale price¥12,800

Pt900 ブルーサファイア 2.38ct・ダイヤモンド0.20ctリング鑑別書

[Calafuri] Pt900 Blue Sapphire 2.38ct Diamond 0.20ct Ring with Identification Report Sale price¥198,000

Pt900 ブルーサファイア 1.05ct・ダイヤモンド0.05ctリング鑑別書

[Colorfuri] Pt900 Blue Sapphire 1.05ct/Diamond 0.05ct Ring with Appraisal Report Sale price¥98,000

Unheated Blue Sapphire 2.430ct Loose GIA Sale price¥258,000

K18WG クロムトルマリン 0.70ctct・サファイア0.30ctペンダントトップ（ネックレストップ）鑑別書

[Colorful] K18WG Chrome Tourmaline 0.70ct and Sapphire 0.30ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥79,800

Madagascar Green Sapphire 0.253ct Loose Sale price¥9,800

Madagascar Yellow Sapphire 4.4mm/0.417ct Loose Sale price¥14,800

Madagascar Blue Sapphire 0.302ct Loose Sale price¥15,800

Madagascar pink sapphire 0.346ct loose stone Sale price¥15,800

Madagascar pink sapphire 0.243ct loose stone Sale price¥8,800

Sri Lankan Blue Sapphire 0.519ct Loose Sale price¥14,800

Greenland sapphire 0.592ct loose stone Sale price¥18,800

Sri Lankan Star Sapphire 6.477ct Loose Sale price¥49,800

Sri Lankan Star Sapphire 7.111ct Loose Sale price¥59,800

[Colorful] Pt900 1.33ct Thai Sapphire and 0.12ct Diamond Ring GIA Sale price¥198,000

[Colorful] Pt900 Madagascar Sapphire 0.99ct / Diamond 0.58ct Ring GIA Sale price¥228,000

Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire) Sale price¥9,800

Sri Lankan Bi-Color Sapphire 0.434ct Loose Stone Sale price¥12,800

K18WG イエローサファイア 0.05ct ペンダントトップ（ネックレストップ）

[Calafuri] K18WG Yellow Sapphire 0.05ct Pendant Top (Necklace Top) Sale price¥79,800

Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura) Sale price¥49,800

Sapphire 0.461ct loose stone Sale price¥12,800

Vietnam unheated silky pink sapphire 0.580ct loose stone Sale price¥12,800

0.308ct Unset Yellow Sapphire (Sri Lankan) Sale price¥13,800

Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose Sale price¥9,800

0.354ct Unheated Star Sapphire Loose Stone from Sri Lanka Sale price¥6,980

Loose 0.485 ct Sri Lankan Blue Sapphire Sale price¥9,800

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.