Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥7,980
Strawberry quartz from Kazakhstan 0.815ct loose
Sale price¥5,980
Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥14,800
[Rouge cut] Almandine garnet 3.214ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 2.661ct loose
Sale price¥12,800
Almandine garnet 2.964ct loose
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.266ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.559ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.803ct Loose
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.849ct Loose Gemstone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.867ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.880ct Loose Stone (Faceted Cut)
Sale price¥9,800
0.787 ct faceted Dumortierite in Quartz from Brazil
Sale price¥7,980
Brazilian Dumortierite in Quartz 0.690ct Loose Stone (Faceted Cut)
Sale price¥6,980
Brazilian Dumortierite in Quartz 1.112ct Loose Gemstone (Faceted Cut)
Sale price¥11,000
Brazilian Dumortierite in Quartz 0.937ct Loose (Faceted)
Sale price¥9,800
Brazilian Dumortierite in Quartz 3.009ct Loose Stone
Sale price¥29,800
American Anthill Garnet 4.0mm/0.359ct Loose
Sale price¥12,800
Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
Brazilian Dumortierite in Quartz 2.282ct Loose Gemstone
Sale price¥18,800
Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire)
Sale price¥15,800
Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)
Sale price¥25,800
Tanzanian Rhodolite Garnet 1.765ct Loose Gemstone
Sale price¥18,800
Tanzanian Rhodolite Garnet 1.203ct Loose
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.763ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 6.7mm/1.228ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 4.8nmm/0.545ct Loose Stone
Sale price¥8,800
Tanzanian Color Change Garnet 0.607ct Loose Stone
Sale price¥11,000
Sri Lankan Hessonite Garnet Loose Stone, 6.5mm/1.353ct
Sale price¥12,800
Sri Lankan Hessonite Garnet 0.441ct Loose Stone
Sale price¥8,800
Synthetic Alexandrite 0.338ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 2.370 ct Loose Stone
Sale price¥19,800
Tanzanian Mandarin Garnet, 0.418 ct Loose Stone
Sale price¥25,800
YAG (Yttrium Aluminum Garnet) 0.598ct loose stone
Sale price¥9,800
Tanzanian Bekiri Blue Garnet (Color Change Garnet) 0.102ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 1.194ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.733ct Loose Stone
Sale price¥9,800
0.796ct Loose Bicolor Grossular Garnet from Tanzania
Sale price¥39,800
Congo Cobalt Calcite 1.439ct Loose Stone
Sale price¥18,800
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥6,980
Pakistani Oil in Quartz 0.651ct Loose Stone
Sale price¥7,980
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥5,980
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥7,980
Oil-in-quartz 31.973ct rough stone from Madagascar
Sale price¥8,800
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.