Brazilian bicolor tourmaline 1.540ct loose stone
Sale price¥25,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Ruby 0.284ct loose
Sale price¥15,800
Ruby 0.273ct loose stone
Sale price¥13,800
Ruby 0.173ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Sri Lankan Blue Sapphire 0.226ct Loose
Sale price¥14,800
Ruby 0.248ct loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Indian Alexandrite Cat's Eye 0.787ct Loose Stone
Sale price¥25,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Myanmar Purple Spinel 0.434ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.820ct loose stone
Sale price¥25,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Colombian emerald 3.1mm/0.097ct loose
Sale price¥22,800
Additional charge for resizing: 1,500 yen
Sale price¥15,000
Additional charge for resizing: 1,500 yen
Sale price¥14,250
Additional charge for resizing: 1,500 yen
Sale price¥13,500
Additional charge for resizing: 1,500 yen
Sale price¥12,750
Additional charge for resizing: 1,500 yen
Sale price¥12,000
Additional charge for resizing: 1,500 yen
Sale price¥11,250
Additional charge for resizing: 1,500 yen
Sale price¥10,500
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥12,800
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.212ct loose stone
Sale price¥15,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Tanzanite from Tanzania 0.804ct loose stone
Sale price¥24,800
Tanzanite from Tanzania 0.856ct loose stone
Sale price¥29,800
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Sri Lankan Blue Sapphire 4.5mm/0.401ct Loose
Sale price¥12,800
Mexican Fire Opal 0.780ct Loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 3mm/0.188ct loose
Sale price¥19,800
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the United States 0.372ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
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.