Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Kunzite from Afghanistan 8.4mm/3.300ct loose stone
Sale price¥12,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Madagascar sphene 1.146ct loose stone
Sale price¥29,800
Madagascar sphene 0.838ct loose stone
Sale price¥12,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥15,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥29,800
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
Australian black opal 3.027ct loose stone
Sale price¥15,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥17,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Purple Zoisite 2.617ct rough stone
Sale price¥13,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Colombian emerald 0.111ct loose stone with precious stone
Sale price¥29,800
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
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.