Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥40,000
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥10,000
Additional charge: K18PG (base metal) + 15,000 yen
Sale price¥35,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥35,000
Additional charge: K18WG (base metal) + 15,000 yen
Sale price¥35,000
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥25,000
Brazilian Trapiche Amethyst 10.855ct loose stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 2.714ct loose stone
Sale price¥24,800
Tanzania Color Change Garnet 0.789ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
Mexican Danburite 7.0mm/1.224ct loose stone
Sale price¥9,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
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[Pop-up event only] Option application page
Sale price¥0
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Russian rough diamond (sawable) 0.125ct loose
Sale price¥29,800
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Mexican Cantera Opal 20.655ct Loose
Sale price¥19,800
Tanzania Purple Zoisite Rough Stone 2.590ct
Sale price¥9,800
Italian Leucite 0.338ct loose stone (play of color)
Sale price¥15,800
Ethiopian Opal 167.191ct Rough Stone
Sale price¥39,800
Bezel setting (Fukurin) + 5000 yen
Sale price¥5,000
American Benitoite 4.8mm/0.396ct Loose Stone by Nikkei
Sale price¥298,000
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Italian Leucite 0.346ct loose stone (play of color)
Sale price¥12,800
Myanmar Podretteite 0.238ct loose stone Nissaiho
Sale price¥35,800
Tanzanian Kornerupine Cat's Eye 0.622ct Loose Stone
Sale price¥4,980
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
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.