Brazilian Green Tourmaline 2.218ct Loose
Sale price¥29,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Brazilian alexandrite 0.116ct loose
Sale price¥15,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥12,000
Additional charge: K18PG (base metal) + 5,000 yen
Sale price¥12,000
Additional charge: K18WG (base metal) + 15,000 yen
Sale price¥17,000
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥12,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥25,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥25,000
[Posted 12548743] Cornellpine from Tanzania 0.181ct loose
Sale price¥29,800
Tanzanian Kornerupine 0.154ct loose stone
Sale price¥12,800
Amethyst 9.860ct loose stone
Sale price¥18,800
Brazilian Amethyst 9.749ct Loose Stone
Sale price¥15,800
Synthetic Opal 1.804ct Loose
Sale price¥14,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
Myanmar Trapiche Sapphire 0.206ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.744ct Loose Stone
Sale price¥12,800
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Almandine Garnet 1.988ct Loose Stone
Sale price¥18,800
Almandine Garnet 1.388ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.471ct Loose Stone
Sale price¥15,800
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.489ct Loose Stone
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥12,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥22,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.382ct Loose Stone
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Greenland Tugtupite 0.546ct loose stone
Sale price¥29,800
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.