Pakistani emerald 0.436ct loose stone
Sale price¥49,800
Sri Lankan Blue Sapphire 3.8mm/0.279ct Loose
Sale price¥8,800
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
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Kenyan Gold Sheen Sapphire 4.0mm/0.305ct Loose Stone (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 3.9mm/0.298ct Loose (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 0.308ct Loose
Sale price¥12,800
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian bicolor euclase 0.233ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.212ct loose stone
Sale price¥15,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.286ct loose stone
Sale price¥8,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Bulgarian Green Sphalerite 0.403ct Loose Stone
Sale price¥69,800
Tanzania Cobalt Spinel 0.211ct Loose Stone JTL Catalog
Sale price¥29,800
Nigerian Cobalt Garnite 0.233ct Loose Stone JTL Catalog
Sale price¥45,800
Colombian emerald 0.191ct loose
Sale price¥22,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Grandidierite from Madagascar 0.264ct loose stone
Sale price¥88,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
0.620ct rough stone of Jeremejevite from Namibia
Sale price¥6,980
Kunzite from Afghanistan 0.799ct loose stone
Sale price¥6,980
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
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.