Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Kunzite from Afghanistan 21.5mm/39.372ct loose stone
Sale price¥98,000
Mexican cantera opal 12.401ct loose
Sale price¥8,800
Mexican cantera opal 14.740ct loose
Sale price¥14,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Russian Demantoid Garnet (Horsetail certified) 4.6mm/0.464ct loose stone
Sale price¥128,000
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.284ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Brazilian rutilated quartz (rutilated quartz) 7.741ct loose stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.794ct Loose Stone
Sale price¥15,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Brazilian pyrite in quartz 57.230ct loose stone
Sale price¥25,800
Kunzite from Afghanistan 8.609ct loose stone
Sale price¥14,800
Indian Star Garnet 14.200ct Loose Stone (6 Rows)
Sale price¥5,980
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
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.