Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.5mm/0.440ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.8mm/0.538ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.322ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 4.0mm/0.255ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.0mm/0.246ct Loose Stone
Sale price¥8,800
Tanzania Bicolor Zoisite 4.6mm/0.333ct Loose Stone
Sale price¥8,800
Brazilian Golden Beryl 6.8mm/1.061ct Loose Stone
Sale price¥7,980
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
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
Sri Lankan Yellow Sapphire 0.826ct Loose
Sale price¥25,800
Tanzania Peristallite 6.0mm/0.531ct Loose Stone (Blue Moonstone)
Sale price¥9,800
Tanzania Peristerite 6.2mm/0.582ct loose stone
Sale price¥6,980
Tanzania Peristerite 1.592ct Loose Stone (Blue Moonstone)
Sale price¥14,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent)
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Zimbabwe Bicolor Euclase 0.405ct Loose Stone by Nikkei
Sale price¥298,000
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥9,800
Afghanistan Awinite 0.103ct loose stone JTL catalog
Sale price¥49,800
Russian Demantoid Garnet (Horsetail) 3.5mm/0.187ct Loose Stone
Sale price¥45,800
Brazilian Dumortierite in Quartz 1.320ct Loose Stone
Sale price¥14,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.199ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.946ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.620ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.866ct Loose Stone
Sale price¥17,800
Brazilian Paraiba Tourmaline in Quartz 0.812ct Loose Stone
Sale price¥15,800
Madagascar sapphire 0.153ct loose stone
Sale price¥6,980
Madagascar sapphire 0.157ct loose stone
Sale price¥6,980
Madagascar sapphire 0.158ct loose stone
Sale price¥7,980
Madagascar sapphire 0.157ct loose stone
Sale price¥7,980
Silky pink sapphire from Madagascar 0.457ct loose stone
Sale price¥12,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Brazilian Chrysoberyl Cat's Eye 1.356ct Loose Stone
Sale price¥6,980
German Awinite 0.117ct loose stone
Sale price¥25,800
Orange Hackmanite from Afghanistan 1.101ct loose stone
Sale price¥19,800
Brazilian Pink Tourmaline 1.799ct Loose Stone
Sale price¥35,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
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.