Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Spodumene 1.844ct loose stone
Sale price¥12,800
Sri Lankan Green Zircon 0.456ct Loose Stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.221ct Loose
Sale price¥9,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Kenyan Gold Sheen Sapphire 4.0mm/0.321ct Loose Stone (Rose Cut)
Sale price¥14,800
Namibian Jeremejevite 0.194ct loose stone by Nikkei
Sale price¥15,800
Sri Lankan bicolor sapphire 0.260ct loose stone
Sale price¥12,800
Bicolor sapphire 2.040ct loose stone
Sale price¥59,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Myanmar spinel 4.0mm/0.263ct loose stone
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.253ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.226ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.272ct Loose (Bicolor)
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.543ct Loose
Sale price¥29,800
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Mozambique Pink Spinel 0.550ct Loose
Sale price¥14,800
Montana Sapphire 3.3mm/0.158ct Loose (Green Sapphire)
Sale price¥15,800
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Madagascar sphene 0.673ct loose stone
Sale price¥15,800
Tanzania Bicolor Zoisite 4.6mm/0.401ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.7mm/0.415ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Montana Sapphire (Blue Sapphire) 0.207ct Loose
Sale price¥6,980
Myanmar pink spinel 0.344ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 0.226ct Loose
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Myanmar Purple Spinel 4.8mm/0.514ct Loose Stone
Sale price¥6,980
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 4.0mm/0.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 4.0mm/0.204ct loose stone
Sale price¥6,980
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
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.