Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥6,980
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥39,800
[Lottery Sale ②_202608_10] Yellow Sapphire 2.190ct Loose GIT
Sale price¥158,000
[Posted 12549460] Star peridot from Myanmar 3.748ct loose
Sale price¥19,800
[12563388 listed] Dioptase from Brazil, 0.894ct loose stone
Sale price¥22,800
[Posted on 12564182] Tanzanian Spinel 1.154ct Loose Gemstone
Sale price¥39,800
[Posted as 12563742] Brazilian Bicolor Tourmaline, 1.524 ct loose stone
Sale price¥18,800
[Published 12563933] Brazilian Rubellite 1.100ct Loose Stone
Sale price¥98,000
Colombian Pyrite, Mica in Emerald 1.192ct Loose Stone with Certificate
Sale price¥79,800
1.025ct Loose White Sapphire from Sri Lanka with Gemological Report
Sale price¥35,800
[Lottery Sale 0521_08] Madagascar Sapphire 1.650ct Loose GIA
Sale price¥158,000
Brazil Color Change Fluorite 1.099ct Loose Stone
Sale price¥9,800
Kochi Prefecture-produced red coral 1.321ct loose stone
Sale price¥9,800
Kochi Prefecture oxblood coral 1.001ct loose gemstone
Sale price¥12,800
Kochi Prefecture Deep Red Coral 1.290ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture produced oxblood coral 1.087ct loose gemstone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.722ct Loose
Sale price¥14,800
Brazilian Lavender Quartz (Scolite) 1.266ct Loose
Sale price¥12,800
Sri Lankan Uva Moonstone 0.974ct Loose Gemstone
Sale price¥12,800
Sri Lankan Uva Moonstone 7.7mm/1.763ct Loose
Sale price¥19,800
Australian Black Opal 1.066ct Loose
Sale price¥69,800
Australian Black Opal 0.778ct Loose
Sale price¥35,800
USA Origin Oregon Sunstone 7.1mm/1.397ct Loose Stone
Sale price¥39,800
Loose Oregon Sunstone from the USA, 7.0mm/1.224ct
Sale price¥28,800
[Published on 12563384] Tanzanian Zircon 2.053ct Loose
Sale price¥19,800
[Listed as 12562693] Malawi Bicolor Zircon 1.434ct Loose
Sale price¥79,800
Dumortierite in quartz from Brazil 7.3mm/1.729ct loose stone
Sale price¥12,800
Sri Lankan orange sapphire 0.654ct loose with certificate
Sale price¥29,800
Malawi Moonstone 2.114 ct Loose Gemstone
Sale price¥12,800
Malawi Moonstone 1.626ct Loose
Sale price¥9,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Almandine Garnet 1.988ct Loose Stone
Sale price¥16,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥7,980
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
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.