Colombian emerald 0.499ct rough stone
Sale price¥15,800
Mica in Quartz 0.736ct loose stone
Sale price¥6,980
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Australian black opal 0.650ct loose
Sale price¥18,800
Sri Lankan Cobalt Spinel 0.676ct Loose Stone (Blue Spinel) Nikkei
Sale price¥79,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel
Sale price¥69,800
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥69,800
Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)
Sale price¥19,800
Diamond rough stone 1.293ct
Sale price¥5,980
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥15,800
Kenyan Tsavorite 0.379ct loose stone
Sale price¥35,800
Bicolor Zoisite 0.450ct Loose Stone (Bicolor Tanzanite)
Sale price¥18,800
Namibian Hemimorphite 0.697ct Loose Stone
Sale price¥8,800
Nepalese Bicolor Kyanite 6.3mm/0.903ct Loose Stone
Sale price¥9,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor fluorite 1.332ct loose stone
Sale price¥6,980
Mexican Opal 0.648ct Loose
Sale price¥14,800
Australian Opal 0.440ct Loose
Sale price¥8,800
[Rouge cut] Rhodolite garnet 0.410ct loose stone
Sale price¥8,800
Nigerian Star Enstatite 0.880ct Loose Stone
Sale price¥14,800
YAG (Yttrium Aluminum Garnet) 1.357ct loose stone
Sale price¥16,800
Synthetic rutile 1.210ct loose stone
Sale price¥24,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Mica in Quartz 0.980ct Loose
Sale price¥6,980
Mica in Quartz 0.864ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.834ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 0.865ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.627ct loose stone
Sale price¥8,800
Aquamarine 0.568ct loose stone
Sale price¥6,980
Brazilian imperial topaz 0.830ct loose
Sale price¥19,800
Pink tourmaline 0.416ct loose stone
Sale price¥8,800
Moss agate 0.795ct loose stone
Sale price¥7,980
Moss agate 0.720ct loose stone
Sale price¥7,980
Synthetic Moissanite 0.970ct Loose Stone (Blue Moissanite)
Sale price¥16,800
Dumortierite in quartz 0.931ct loose
Sale price¥15,800
Green tourmaline 0.637ct loose
Sale price¥8,800
Swiss Blue Topaz 0.930ct Loose
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.