Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥12,800
Royal Blue Sapphire 2.220ct Loose Stone AIGS
Sale price¥458,000
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
Madagascar sphene 0.602ct loose stone
Sale price¥9,800
Madagascar sphene 0.556ct loose stone
Sale price¥9,800
Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
0.870ct loose purple spinel from Madagascar
Sale price¥14,800
Madagascar Purple Spinel 5.2mm/0.651ct Loose Stone
Sale price¥8,800
Brazilian Green Spodumene 1.997ct Loose Stone
Sale price¥12,800
Oligoclase Sunstone 15mm/10.593ct Loose
Sale price¥15,800
Spanish Sphalerite 12.5mm/9.860ct Loose Stone
Sale price¥98,000
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Cambodian Zircon 1.547ct Loose Stone
Sale price¥22,800
Brazilian Green Spodumene 10mm/4.505ct Loose Stone
Sale price¥19,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Myanmar color change zircon 0.720ct loose stone
Sale price¥69,800
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.605ct loose stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
Sri Lankan bicolor sapphire 0.484ct loose stone
Sale price¥12,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose
Sale price¥168,000
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
Sri Lankan Blue Sapphire 4.3mm/0.371ct Loose Stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
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.