Russian demantoid garnet (horsetail recognized) 0.119ct loose
Sale price¥29,800
Yellow sapphire 0.464ct loose
Sale price¥12,800
1055.5ct Indian Cavansite Rough Stone
Sale price¥19,800
663.50ct Indian Cavansite rough stone
Sale price¥19,800
582.5ct rough cabansite from India
Sale price¥19,800
Indian bag site 572.500ct raw stone
Sale price¥18,800
316.775ct Indian Cavansite rough stone
Sale price¥19,800
American red beryl 0.116ct loose
Sale price¥29,800
Spanish bicolor sphalerite 1.652ct loose
Sale price¥25,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥25,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
Lazurite in quartz from Madagascar 7.5mm/1.600ct loose
Sale price¥18,800
Lazurite in quartz from Madagascar 1.090ct loose
Sale price¥14,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Myanmar Violet Spinel 0.776ct Loose
Sale price¥12,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Enstatite from Sri Lanka 2.095ct loose Japanese-German edition
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.459ct Loose
Sale price¥12,800
Oregon Sunstone 1.507ct loose
Sale price¥12,800
Mexican Opal 0.502ct Loose (Faceted Cut)
Sale price¥12,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Oil-in-quartz 31.973ct rough stone from Madagascar
Sale price¥12,800
Oil-in-quartz 30.677ct rough stone from Madagascar
Sale price¥12,800
Myanmar Purple Spinel 1.364ct Loose Stone
Sale price¥29,800
Rubellite 0.549ct loose
Sale price¥19,800
Green tourmaline 1.687ct loose
Sale price¥15,800
Green tourmaline 2.007ct loose
Sale price¥29,800
Green tourmaline 2.144ct loose
Sale price¥25,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Pink tourmaline 1.575ct loose
Sale price¥14,800
Green tourmaline 1.258ct loose
Sale price¥29,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥14,800
Sky blue topaz 5.595ct loose
Sale price¥18,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Cornell pin from Tanzania 3.5mm/0.173ct loose
Sale price¥14,800
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.151ct 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.