Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 0.226ct Loose
Sale price¥14,800
Ruby 0.248ct loose
Sale price¥12,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
Sale price¥8,800
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Myanmar Purple Spinel 0.434ct Loose Stone
Sale price¥12,800
Myanmar Purple Spinel 4.8mm/0.514ct Loose Stone
Sale price¥6,980
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Brazilian bicolor tourmaline 3.282ct loose
Sale price¥59,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Russian oil-free emerald 0.640ct loose GIA
Sale price¥198,000
![[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010485_0a84849b-b799-4ed9-9423-eca6b868cfe5.jpg?v=1729336953&width=4000)
![[Limited to 10 stones] Inca Rose from Argentina (Rhodochrosite, average 1.5ct) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010444_a356ce57-480d-45a3-b741-3146e456c136.jpg?v=1729336483&width=4000)
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.212ct loose stone
Sale price¥15,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Pakistani emerald 0.436ct loose stone
Sale price¥49,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
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.