Tanzanian Green Zircon 0.364ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.259ct Loose Stone
Sale price¥6,980
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Afghanistan Lazurite in Sodalite 0.579ct Loose Stone
Sale price¥9,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
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
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Brazilian Imperial Topaz 0.398ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
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
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Madagascar sphene 0.602ct loose stone
Sale price¥9,800
Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥12,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
Afghanistan diaspore 0.215ct loose stone
Sale price¥12,800
American Benitoite 3.1mm/0.129ct loose stone
Sale price¥59,800
Orange spinel 0.225ct loose stone
Sale price¥12,800
Pakistani Lazurite (Azurite) 0.290ct loose stone
Sale price¥98,000
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Sri Lankan Yellow Sapphire 0.350ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
American Red Beryl 0.260ct Loose
Sale price¥69,800
Sri Lankan bicolor sapphire 0.484ct loose stone
Sale price¥12,800
Zimbabwe bicolor euclase 0.205ct loose stone
Sale price¥98,000
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Colombian emerald cat's eye 0.421ct loose stone
Sale price¥12,800
Blue beryl (Macis beryl) 0.250ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.407ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.250ct Loose
Sale price¥12,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
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.