Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Canadian Shortite 0.423ct Loose Stone, Japan-Germany Mirror
Sale price¥69,800
Brown diamond 0.554ct loose (cabochon cut, SI class equivalent)
Sale price¥69,800
Colombian Trapiche Emerald 0.811ct Loose
Sale price¥59,800
Tanzania Bicolor Zoisite 2.665ct Loose Stone
Sale price¥98,000
Colombian Euclase 2.276ct loose stone
Sale price¥69,800
Colombian Euclase 1.157ct loose stone
Sale price¥69,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)
Sale price¥98,000
Synthetic Opal (Synthetic Black Opal) 10.910ct Loose
Sale price¥69,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
![[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)
Bicolor sapphire 2.040ct loose stone
Sale price¥59,800
[Takeshi Yamamoto] Rose quartz 25.017ct loose stone
Sale price¥59,800
[Takeshi Yamamoto] Ametrine 20.856ct loose stone
Sale price¥98,000
[Takeshi Yamamoto] Rock crystal 78.580ct loose stone
Sale price¥98,000
Brazilian bicolor tourmaline 3.282ct loose
Sale price¥59,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥88,200
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥83,200
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥83,200
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥73,200
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥80,200
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥75,200
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥75,200
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥55,200
[Moonsteiner] Pyrite in Quartz 18.288ct Loose
Sale price¥59,800
Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire)
Sale price¥59,800
Pomme Blanche "Semi-custom ring setting"
Sale price¥99,800
Mexican Water Opal 3.161ct Loose Stone (Contraluz Opal)
Sale price¥69,800
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
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.