Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥12,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥8,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Ethiopian Opal 1.694ct Loose
Sale price¥7,980
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥9,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥9,800
Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel)
Sale price¥12,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥6,980
Lepidocrocite in quartz 1.087ct loose
Sale price¥5,980
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥18,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥6,980
Purple spinel 0.520ct loose
Sale price¥6,980
Violet spinel 0.642ct loose
Sale price¥6,980
Violet spinel 0.472ct loose
Sale price¥8,800
Yellow tourmaline 0.277ct loose
Sale price¥6,980
Green tourmaline 0.559ct loose
Sale price¥6,980
Pink tourmaline 0.632ct loose
Sale price¥9,800
Pink tourmaline 1.575ct loose
Sale price¥12,800
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Scheelite from California, USA, 2.666 ct loose, with certificate
Sale price¥15,800
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany
Sale price¥5,980
[Colorful] Pt950 Play Night Pendant Top (Necklace Top)
Sale price¥69,800
Tanzanian Zoisite 1.290ct Loose Stone with Appraisal
Sale price¥19,800
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Madagascar Apatite 19.863ct Loose
Sale price¥128,000
Cambodian Blue Zircon (Ratanakiri Blue) 1.205ct Loose Stone
Sale price¥18,800
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
[Dandelion Cut] 7mm/1.412ct Sphene Loose Stone from Madagascar
Sale price¥59,800
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
0.079ct Loose Brazilian Paraiba Tourmaline (CuO: 1.6% MnO: 2.8%)
Sale price¥29,800
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.