Tanzania Bicolor Zoisite 4.0mm/0.246ct Loose Stone
Sale price¥8,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)
Sale price¥98,000
Madagascar sapphire 0.153ct loose stone
Sale price¥6,980
Madagascar sapphire 0.157ct loose stone
Sale price¥6,980
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Pt900 Kashmir unheated sapphire 1.14ct / diamond 0.70ct ring GIA
Sale price¥1,000,000
Sri Lankan Silky Sapphire 1.166ct Loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Tanzanian Purple Sapphire 0.681ct Loose Stone (Color Shift)
Sale price¥19,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Cambodian colorless zircon 1.149ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 1.218ct loose stone (orange fluorescence)
Sale price¥12,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Spodumene 1.844ct loose stone
Sale price¥12,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
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 0.272ct Loose (Bicolor)
Sale price¥12,800
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
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
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 Blue Sapphire 0.226ct Loose
Sale price¥14,800
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 0.434ct Loose Stone
Sale price¥12,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
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.