Pezzottite from Madagascar 0.115ct loose
Sale price¥5,980
Pezzotite from Madagascar 0.129ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.087ct loose
Sale price¥6,980
Brazilian dumortierite in quartz 0.496ct loose
Sale price¥6,580
Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
Australian black opal 0.310ct loose
Sale price¥8,800
Bicolor tourmaline 0.467ct loose
Sale price¥6,980
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Gacha sapphire 0.268ct loose stone
Sale price¥26,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Brazilian Alexandrite 0.074ct Ruth (Hemachita Mine)
Sale price¥15,800
Brazilian Alexandrite 0.086ct Ruth (Hemachita Mine)
Sale price¥18,800
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
[12563386 posted] Brazilian Dioptase 0.487ct Loose Stone
Sale price¥12,800
【Listed on 12563251】Afghan Hauyne 0.080ct Loose
Sale price¥25,800
【12563376 listed】Euclase from Zimbabwe 0.101ct Loose
Sale price¥27,800
[12562256 listed] American Neptunite 0.199ct Loose
Sale price¥55,800
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct Loose Stone
Sale price¥29,800
[Listed as 12563371] Zimbabwe Euclase 0.087ct Loose Gemstone
Sale price¥19,800
[Listed as 12563467] Malawi sapphire 0.128ct loose stone
Sale price¥18,800
[Published on 12563087] Unheated Ruby 0.216ct Loose Stone
Sale price¥59,800
【Posted on 12562262】Brazilian Santa Maria Aquamarine 0.361ct Loose Stone
Sale price¥25,800
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.