Green tourmaline 0.305ct loose stone
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 2.9mm/0.165ct loose
Sale price¥24,800
Russian demantoid garnet (horsetail recognized) 2.8mm/0.187ct loose
Sale price¥18,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
Sri Lankan saffron 0.320ct loose stone with certificate of authenticity
Sale price¥29,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Zimbabwe bicolor euclase 0.385ct loose stone
Sale price¥98,000
Ruby from Greenland 0.421ct loose with certificate
Sale price¥18,800
Madagascar Apatite 0.371ct Loose Stone
Sale price¥2,980
Colombian Trapiche Emerald (Reverse Trapiche) 4.3mm/0.329ct Rough Stone
Sale price¥29,800
Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone
Sale price¥3,980
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Tibetan Andesine 4.2mm/0.257ct Loose Stone
Sale price¥2,980
Tibetan Andesine 4.5mm/0.289ct Loose Stone
Sale price¥2,980
American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Spanish Andalusite 4mm/0.204ct loose stone (rose cut)
Sale price¥4,980
Brazilian alexandrite 0.151ct loose
Sale price¥25,800
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.134ct rough stone
Sale price¥12,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Tanzanite from Tanzania 0.350ct loose stone
Sale price¥8,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Colombian emerald 0.202ct loose stone
Sale price¥59,800
Brazilian Imperial Topaz 0.398ct Loose Stone
Sale price¥12,800
Zimbabwean Euclase 0.129ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
American Red Beryl 0.217ct Loose
Sale price¥49,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
German Awinite 3.5mm/0.158ct loose stone
Sale price¥98,000
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥15,800
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.