pear shape
Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Madagascar pink sapphire 0.466ct loose stone
Sale price¥12,800
Hollandite in Amethyst 3.048ct loose stone
Sale price¥9,800
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Tanzanian Kornerupine 0.392ct loose stone
Sale price¥35,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Madagascar Yellow Sapphire 0.571ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.594ct loose stone
Sale price¥14,800
Madagascar sapphire 0.647ct loose stone
Sale price¥14,800
Madagascar sapphire 0.564ct loose stone
Sale price¥12,800
0.075 ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 1.9%)
Sale price¥45,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Euclase from Zimbabwe 0.046ct loose
Sale price¥29,800
Zimbabwean Euclase 0.032ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Brazilian Limonite in Topaz 8.994ct loose stone
Sale price¥19,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
![[Jewelry Processing] Unheated Brazilian Paraiba Tourmaline 0.064ct Loose Stone (CuO: 1.8%, MnO: 2.1%)](http://store.karatz.jp/cdn/shop/files/P5210328_dadb644b-5b1e-415a-83f2-a8bdb21f0911.jpg?v=1732408407&width=2989)
Tibetan bicolor andesine 1.431ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.382ct Loose Stone
Sale price¥12,800
Montana Sapphire 0.254ct loose
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
【11/11 22時販売】モザンビーク産アクアマリン 1.172ctルース
Sale price¥14,800
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.