Width: 7.1 - 8.0mm

Tanzanian Tanzanite 0.406ct Loose Stone Sale price¥12,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 2.678ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 7.4mm/2.678ct Loose Stone Sale price¥15,800

Brazilian Green Spodumene Loose Stone 1.460 ct Sale price¥12,800

モザンビーク産エルバイトトルマリン 1.456ctルース（CuO:0.1%,MnO:0.4%）

Elbaite tourmaline from Mozambique 1.456ct loose stone (CuO: 0.1%, MnO: 0.4%) Sale price¥45,800

モザンビーク産エルバイトトルマリン 1.574ctルース（CuO:0.1%,Mn0:3.1％）

Elbaite tourmaline from Mozambique 1.574ct loose stone (CuO: 0.1%, Mn0: 3.1%) Sale price¥55,800

Lavender quartz (scorolite) 2.181ct loose stone Sale price¥8,800

South African Sugilite 7.3mm/1.034ct loose stone Sale price¥14,800

Burmese ruby 3.72ct loose GIA/CGL Sale price¥298,000

Green Spodumene 6.419ct loose stone Sale price¥15,800

Tibetan bicolor andesine 2.657ct loose stone Sale price¥19,800

Ethiopian Opal 2.131ct Loose Sale price¥9,800

Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel) Sale price¥12,800

Lepidocrocite in quartz 1.087ct loose Sale price¥5,980

Zimbabwean Bi-Color Euclase Rough 2.976 ct Sale price¥59,800

Oregon Sunstone from the United States 0.941ct loose stone Sale price¥12,800

Sri Lankan Topaz Cat's Eye 3.384ct Loose with Japanese-German gemological certificate Sale price¥12,800

2.567ct Enstatite from Sri Lanka, Loose Gemstone, Nichidoku Identification Sale price¥18,800

【12560344掲載】モザンビーク産アルマンディンガーネット 3.073ctルース

3.073ct Mozambique Almandine Garnet Loose Stone Sale price¥22,800

Mexican Fire Opal 1.424ct Loose Sale price¥39,800

Bulgarian Sphalerite 7.6mm/2.233ct Loose Sale price¥69,800

2.946 ct loose barite from Guizhou, China, with a gemological report Sale price¥69,800

Mica in Quartz 0.864ct Loose Stone Sale price¥5,980

Moss agate 1.285ct loose stone Sale price¥5,980

Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow) Sale price¥18,800

Bloodshot Iolite Sunstone 2.121ct Loose Sale price¥12,800

Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone Sale price¥8,800

Australian Black Opal 1.705ct Loose Sale price¥12,800

Australian black opal 1.168ct loose stone Sale price¥39,800

South African rhodochrosite 2.477ct loose Japanese-German edition Sale price¥398,000

[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose Sale price¥9,800

Brazilian Paraiba tourmaline in quartz 1.602ct loose Sale price¥39,800

Congo hemimorphite 3.510ct loose stone Sale price¥18,800

Congo hemimorphite 4.272ct loose stone Sale price¥25,800

Spanish Sphalerite 7.1mm/1.708ct Loose Stone Sale price¥29,800

Oregon Sunstone from USA 7.1mm/1.308ct Loose Stone Sale price¥19,800

Australian Prehnite 2.051ct loose stone Sale price¥8,800

Tanzanian bicolor zoisite 2.322ct loose stone Sale price¥69,800

Synthetic rutile 2.462ct loose stone Sale price¥25,800

Sri Lankan Moonstone 1.578ct Loose Gemstone Sale price¥12,800

[Sakura Incut] South African Rhodochrosite 7.6mm/1.544ct Loose Stone by Nikkei Sale price¥158,000

Oregon Sunstone from the USA, 2.128 ct loose stone Sale price¥22,800

Brazilian unheated pink imperial topaz (sherry pink) 2.221ct loose stone with certificate of authenticity Sale price¥158,000

Zimbabwean Sphene 2.520ct Loose Gemstone Sale price¥59,800

Brazilian green tourmaline 4.345ct loose stone Sale price¥69,800

Sri Lankan Twin Star Sapphire 5.225ct Loose Sale price¥98,000

Blue beryl (Mashish beryl) 3.268ct loose stone Sale price¥25,800

[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone Sale price¥18,800

Brazilian green tourmaline 3.102ct loose stone Sale price¥69,800

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.