Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Spodumene 9.001ct loose stone
Sale price¥29,800
Spodumene 9.730ct loose stone
Sale price¥29,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥9,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥15,800
Bicolor Zoisite 1.100ct Loose Stone (Bicolor Tanzanite)
Sale price¥19,800
Yellow Zircon 0.268ct Loose
Sale price¥9,800
Zoisite 1.290ct loose stone
Sale price¥19,800
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Vietnam unheated silky pink sapphire 0.178ct loose stone
Sale price¥5,980
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
Pink spinel 0.365ct loose stone
Sale price¥12,800
Bicolor Zoisite 0.203ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.402ct loose stone
Sale price¥9,800
Bicolor Zoisite 0.302ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.273ct loose stone
Sale price¥7,980
Bicolor Zoisite 0.229ct loose stone
Sale price¥6,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥8,800
Bloodshot Iolite Sunstone 2.121ct Loose
Sale price¥14,800
Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel)
Sale price¥15,800
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Pink spinel 0.969ct loose
Sale price¥9,800
Purple Spinel 4.3mm/0.323ct Loose Stone
Sale price¥8,800
Violet spinel 0.301ct loose
Sale price¥9,800
Oregon Sunstone 0.217ct loose
Sale price¥5,980
Oregon Sunstone 0.226ct loose
Sale price¥5,980
Tanzania Zoisite 0.278ct loose stone
Sale price¥8,800
Zoisite 0.216ct loose stone (heart shape)
Sale price¥8,800
Zoisite 0.162ct loose stone (heart shape)
Sale price¥8,800
Zoisite 0.247ct loose stone (heart shape)
Sale price¥8,800
Oregon Sunstone 0.462ct loose
Sale price¥6,980
[Sakura Incut] Smoky Quartz 22mm/27.511ct Loose Japanese-German Edition
Sale price¥98,000
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.498ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.354ct 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.