Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Illusion Tourmaline (Iridescent Tourmaline) 2.266ct Loose Stone
Sale price¥39,800
Zimbabwean Blue Apatite (UV type) 2.596ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
Malawi Bicolor Zircon 0.355ct Loose Stone
Sale price¥12,800
Namibian Jeremejevite 0.065ct loose stone with certificate
Sale price¥19,800
Namibian Jeremejevite 0.052ct loose stone JTL catalogue
Sale price¥18,800
Namibian Jeremejevite 0.038ct loose stone JTL catalogue
Sale price¥9,800
Nigerian Green Beryl 0.765ct Loose Stone
Sale price¥18,800
Nigerian Green Beryl 0.757ct Loose Stone (Mint Green Color)
Sale price¥25,800
Nigerian Green Beryl 0.643ct Loose Stone (Mint Green Color)
Sale price¥16,800
Nigerian Green Beryl 0.581ct Loose Stone (Mint Green Color)
Sale price¥14,800
Nigerian Green Beryl 0.545ct Loose Stone
Sale price¥12,800
Nigerian Green Beryl 0.427ct Loose Stone
Sale price¥9,800
Nigerian Green Beryl 0.308ct Loose Stone (Mint Green Color)
Sale price¥7,980
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.180ct loose
Sale price¥12,800
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Bicolor sapphire 0.080ct loose stone
Sale price¥8,800
Bicolor sapphire 0.480ct loose
Sale price¥28,800
Bicolor sapphire 0.405ct loose
Sale price¥25,800
Bicolor sapphire 0.404ct loose stone
Sale price¥39,800
Russian Phenakite 0.507ct Loose Stone
Sale price¥19,800
Russian Phenakite 0.513ct Loose Stone
Sale price¥19,800
Madagascar Petzotite Cat's Eye 0.323ct Loose Stone
Sale price¥22,800
Brazilian White Chalcedony 0.925ct Loose Stone
Sale price¥5,980
Brazilian Dendritic Agate 0.629ct Loose Stone
Sale price¥7,980
Brazilian Dendritic Agate 0.735ct Loose Stone
Sale price¥7,980
Brazilian Blue Apatite 5.5mm/0.805ct Loose Stone
Sale price¥9,800
Afghanistan Seafoam Tourmaline 0.429ct Loose Stone
Sale price¥25,800
Brazilian Green Tourmaline 0.831ct Loose Stone
Sale price¥25,800
Afghanistan Seafoam Tourmaline 0.253ct Loose Stone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 0.481ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.811ct Loose Stone
Sale price¥15,800
Afghanistan Blue Tourmaline 5.0mm/0.457ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 4.1mm/0.259ct Loose Stone
Sale price¥12,800
Brazilian Green Tourmaline 4.0mm/0.236ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 4.1mm/0.270ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Brazilian London Blue Topaz 0.985ct Loose
Sale price¥8,800
Brazilian London Blue Topaz 0.966ct Loose Stone
Sale price¥8,800
Brazilian Sky Blue Topaz 1.256ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 4.5mm/0.319ct Loose Stone
Sale price¥7,980
Vietnam Aquamarine 5.6mm/0.577ct Loose Stone
Sale price¥6,980
Sri Lankan spinel 0.763ct loose stone
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.