Green tourmaline 0.457ct loose stone
Sale price¥8,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
2.946 ct loose barite from Guizhou, China, with a gemological report
Sale price¥69,800
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
Brazilian imperial topaz 0.830ct loose
Sale price¥18,800
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Zambian Canary Yellow Tourmaline 0.158ct Loose Stone
Sale price¥9,800
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.464ct loose
Sale price¥9,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥15,800
Bicolor Sphalerite from Spain 6.6mm/1.496ct Loose
Sale price¥25,800
Mexican egg-in opal 3.646ct loose stone
Sale price¥25,800
Mexican egg-in opal 4.879ct loose stone
Sale price¥29,800
[Sale on March 22nd at 10 PM] Golden Zircon 0.416ct Loose Stone
Sale price¥9,800
0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2)
Sale price¥49,800
Tanzanian Yellow Zircon 0.835ct Loose
Sale price¥9,800
Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Pakistani vanadium sphene 0.759ct loose
Sale price¥49,800
Zimbabwean sphene 7.0mm/1.661ct loose stone
Sale price¥59,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Zimbabwean sphene, 2.067ct loose
Sale price¥59,800
Zimbabwean Sphene 2.520ct Loose Gemstone
Sale price¥59,800
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥3,980
Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal)
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Sri Lankan Golden Sapphire 0.649ct Loose
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Madagascar sphene 1.864ct loose stone
Sale price¥45,800
Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
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.