Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Diamond 2.810ct rough stone
Sale price¥9,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
[Konpeito] Iolite 3.330ct loose
Sale price¥25,800
Tanzanite 2.726ct loose
Sale price¥110,000
Sealight 2.737ct loose
Sale price¥22,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Colombian Euclase 3.543ct loose
Sale price¥39,800
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
[Camellia Cut] Ametrine 11mm/4.207ct《Collaboration》Loose with patch
Sale price¥39,800
Black opal 2.293ct loose
Sale price¥98,000
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.230ct loose
Sale price¥12,800
Sri Lankan tourmaline 4.860ct loose stone (cushion cut)
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.041ct loose
Sale price¥18,800
Brazilian Apatite Cat's Eye 3.914ct Loose Stone
Sale price¥6,980
Tanzanian Lavender Tanzanite 2.219ct Loose Stone
Sale price¥55,800
Myanmar Maw Sit Sit (Maw Sissi) 2.206ct loose stone
Sale price¥5,980
Myanmar Maw Sit Sit (Maw Sissi) 2.331ct loose stone
Sale price¥5,980
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Brazilian dumortierite in quartz 3.077ct loose
Sale price¥12,800
Brazilian bicolor topaz 3.098ct loose stone
Sale price¥29,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
Indian Moonstone 3.367ct Loose
Sale price¥9,800
Colombian Euclase 2.015ct loose stone
Sale price¥18,800
Zircon Cat's Eye from Sri Lanka 2.087ct Ruth Japanese-German Edition
Sale price¥39,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
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.