Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
Madagascar Bicolor Sapphire 0.296ct Loose
Sale price¥7,980
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Purple Zoisite 2.617ct rough stone
Sale price¥13,800
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Padparadscha Sapphire 0.497ct Loose DGL
Sale price¥59,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Sri Lankan Cobalt Spinel 0.676ct Loose Stone (Blue Spinel) Nikkei
Sale price¥79,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Jeremejevite 0.201ct loose stone
Sale price¥45,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Sri Lankan Purple Spinel 1.638ct Loose Stone, Japan-Germany Exchange
Sale price¥69,800
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
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
[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
Bicolor Zoisite 0.450ct Loose Stone (Bicolor Tanzanite)
Sale price¥18,800
Yellow Zircon 0.268ct Loose
Sale price¥9,800
Zoisite 1.290ct loose stone
Sale price¥19,800
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.