Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Brazilian Green Spodumene 1.918ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
Colombian fluorite 5.903ct loose stone
Sale price¥18,800
Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose
Sale price¥168,000
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
Brazilian Dumortierite in Quartz 3.490ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 4.291ct loose stone
Sale price¥55,800
Brazilian bicolor tourmaline 6.227ct loose stone
Sale price¥69,800
Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Zimbabwean Blue Apatite (UV type) 2.596ct loose stone
Sale price¥18,800
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 2.116ct loose stone
Sale price¥18,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Brazilian Garden Quartz 5.592ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 2.185ct Loose Stone
Sale price¥15,800
Brazilian Blue Topaz 2.912ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 2.403ct loose stone
Sale price¥45,800
Synthetic Opal (Synthetic Black Opal) 1.467ct Loose
Sale price¥12,800
Synthetic Opal (Synthetic Black Opal) 1.532ct Loose
Sale price¥15,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Mexican Opal 1.639ct Loose (Contralus Opal)
Sale price¥29,800
【11/3 22時販売】ブラジル産トルマリンキャッツアイ 3.375ctルース
Sale price¥52,800
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.
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.