Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Sri Lankan Rhodolite Garnet 1.858ct Loose Stone
Sale price¥15,800
Australian white opal 2.318ct loose
Sale price¥12,800
Mozambique Almandine Garnet 0.965ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Tourmaline Cat's Eye 9.5mm/4.730ct Loose Stone
Sale price¥18,800
[On sale from 10pm on 5/11] Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥19,800
Afghanistan Bicolor Beryl 9.490ct Loose Stone
Sale price¥29,800
Brazilian alexandrite 0.082ct loose
Sale price¥12,800
Russian Demantoid Garnet 3.0mm/0.194ct Loose Stone
Sale price¥18,800
Brazilian bicolor tourmaline cat's eye 2.640ct loose stone
Sale price¥12,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥29,800
Australian Boulder Opal 6.160ct Loose
Sale price¥18,800
Australian Boulder Opal 4.980ct Loose
Sale price¥19,800
Myanmar Star Enstatite 0.870ct Loose Stone
Sale price¥14,800
Mexican Cantera Opal 18.00ct Loose
Sale price¥29,800
Tanzanian Almandine Garnet 1.190ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.619ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 6.484ct Loose Stone
Sale price¥29,800
Brazilian Spodumene 3.200ct loose stone
Sale price¥16,800
Brazilian Petalite 2.164ct loose stone
Sale price¥11,000
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Sapphire 0.328ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.318ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥15,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Euclase from Brazil 0.210ct Ruth Japanese German edition
Sale price¥29,800
Namibian Jeremejevite 0.153ct loose stone by Nikkei
Sale price¥15,800
Namibian Jeremejevite 0.118ct loose stone by Nikkei
Sale price¥12,800
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Mexican Hyalite Opal 5.2mm/0.439ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Brazilian Aquamarine 0.578ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.368ct loose stone
Sale price¥12,800
Sri Lankan Brown Zircon 1.121ct Loose Stone
Sale price¥12,800
Diamond 0.169ct loose (F, VS2)
Sale price¥18,800
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.