Red spinel 0.195ct loose
Sale price¥5,980
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Tanzanian Bicolor Zoisite 1.006ct Loose Stone
Sale price¥55,800
Tanzanian bicolor zoisite 1.327ct loose stone
Sale price¥59,800
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥3,980
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥8,800
Lavender spinel 0.160ct loose
Sale price¥3,980
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Tanzanian Sunstone 1.599ct Loose Stone
Sale price¥9,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Blue sapphire 4.0mm/0.314ct loose stone
Sale price¥112,800
Pt950 Myanmar gray spinel (platinum spinel) 5.5mm/0.685ct black diamond ring
Sale price¥128,000
Star spinel 1.210ct loose
Sale price¥15,800
Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
Blue sapphire 0.295ct loose stone
Sale price¥7,980
0.333ct loose sapphire
Sale price¥8,800
0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Bicolor sapphire 0.856ct loose
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.