Brazilian bicolor tourmaline 6.227ct loose stone
Sale price¥69,800
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
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
Myanmar color change zircon 0.626ct loose stone
Sale price¥55,800
Tanzania Bicolor Zoisite 2.603ct Loose Stone
Sale price¥88,800
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¥79,800
Diamond 4.1mm/0.263 Loose (I, VVS2, 3Excellent H&C)
Sale price¥55,800
Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C)
Sale price¥59,800
Pt900 Tanzanian Malaya Garnet 2.01ct Diamond Pendant (Necklace)
Sale price¥59,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
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
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
Pakistani Lazurite (Azurite) 0.123ct loose stone
Sale price¥59,800
Brazilian Paraiba Tourmaline 0.181ct loose stone (CuO: 0.7%, MnO: 0.2%)
Sale price¥59,800
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
Madagascar emerald 0.816ct loose stone
Sale price¥98,000
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
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.