Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.883ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥12,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
Ethiopian Opal 4.9mm/0.625ct Loose (Sphere)
Sale price¥5,980
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Tanzanite 0.760ct loose stone (sugarloaf cut)
Sale price¥9,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Synthetic Moissanite 6.0mm/0.688ct Loose Stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV Type) 0.650ct Loose
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Almandine Garnet 0.660ct Loose
Sale price¥6,980
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥8,800
Mica in Quartz 0.758ct Loose Stone
Sale price¥6,980
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥98,000
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥15,800
Brazilian Pink Tourmaline 0.561ct Loose Stone
Sale price¥9,800
Brazilian pink tourmaline 0.968ct loose stone
Sale price¥25,800
Sky blue topaz 0.830ct loose stone
Sale price¥6,980
Cambodian Blue Zircon 0.744ct Loose Stone
Sale price¥8,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥12,800
Pink tourmaline 0.692ct loose stone
Sale price¥18,800
Pink tourmaline 0.845ct loose stone
Sale price¥14,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Goshenite 0.846ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥8,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
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.