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
[Moonsteiner] Pyrite in Quartz 18.288ct Loose
Sale price¥59,800
Australian shell opal (shell opal) 96.177ct rough stone
Sale price¥69,800
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥9,800
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
Amethyst 39.112ct raw stone from Zambia
Sale price¥8,800
Amethyst 29.357ct raw stone from Zambia
Sale price¥6,580
Mexican fire agate 19.730ct loose
Sale price¥19,800
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Oil-in-quartz 22.073ct rough stone from Madagascar
Sale price¥6,980
Mexican cantera opal 17.528ct loose
Sale price¥39,800
Mexican cantera opal 11.914ct loose
Sale price¥19,800
Pyrite in quartz 34.864ct loose
Sale price¥29,800
Triphyllite in quartz 13.378ct loose
Sale price¥14,800
Garden quartz 23.495ct loose
Sale price¥5,980
Pyrite in quartz 15.971ct loose
Sale price¥15,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥12,800
Rutile (single crystal) from Sri Lanka 10.697ct rough
Sale price¥19,800
[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose
Sale price¥59,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥45,800
Chinese aragonite 36.409ct loose with patch
Sale price¥7,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Star garnet 14.400ct loose
Sale price¥11,000
Star garnet 14.600ct loose
Sale price¥11,000
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥14,800
Mexican cantera opal 12.610ct loose
Sale price¥29,800
[Mr. Takeshi Yamamoto] Rock crystal 43.123ct loose
Sale price¥25,800
Kunzite from Afghanistan 26.784ct loose
Sale price¥69,800
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥9,800
Mexican cantera opal 15.542ct loose
Sale price¥19,800
Sri Lankan star sapphire 21.730ct loose
Sale price¥69,800
Kunzite from Afghanistan 32.795ct loose
Sale price¥65,800
Yellow opal 17.283ct loose
Sale price¥34,800
Quartz 96.732ct loose (explosion crystal)
Sale price¥4,980
Hemimorphite 34.490ct loose
Sale price¥69,800
Bicolor tourmaline 22.088ct loose
Sale price¥288,000
South Sea Pearl 16.5mm/26.946ct Loose
Sale price¥19,800
Wood opal 24.319ct loose
Sale price¥59,800
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.