Tanzanian Rhodolite Garnet 0.511ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.643ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.391ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.214ct Loose Stone (Princess Cut)
Sale price¥6,980
Brazilian Aquamarine 0.228ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.239ct Loose Stone (Princess Cut)
Sale price¥8,800
Brazilian Aquamarine 0.463ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.255ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.238ct Loose Stone (Princess Cut)
Sale price¥5,980
Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.287ct Loose Stone
Sale price¥6,980
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
0.324ct loose pink sapphire from Madagascar
Sale price¥12,800
Opal 426.985ct rough stone
Sale price¥29,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity
Sale price¥45,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Afghanistan Hackmanite 0.761ct loose stone (bicolor)
Sale price¥39,800
Myanmar pink spinel 0.325ct loose stone
Sale price¥6,980
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
[12541081 published] Emerald 9.380ct rough stone
Sale price¥4,980
Bicolor apatite 15.507ct loose
Sale price¥98,000
Black opal 2.293ct loose
Sale price¥98,000
Mexican fire agate 33.195ct loose
Sale price¥39,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Montana Sapphire 2.8mm/0.098ct Loose Stone (Yellow)
Sale price¥6,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Hemimorphite 18.750ct loose
Sale price¥39,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥6,980
Morganite 1.135ct loose
Sale price¥5,980
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.