Kunzite from Afghanistan 9.5mm/3.508ct loose stone
Sale price¥9,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 8.812ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 6.836ct rough stone
Sale price¥12,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Synthetic Opal 1.804ct Loose
Sale price¥14,800
[12550838] Brazilian Limonite in Topaz 4.680ct Loose Stone
Sale price¥11,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Brazilian Flower Quartz 4.666ct Loose Stone
Sale price¥12,800
Brazilian Flower Quartz 6.501ct Loose Stone
Sale price¥16,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
Brazilian Morganite 7.339ct loose stone
Sale price¥39,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Mexican Fire Opal 3.425ct Loose
Sale price¥29,800
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
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.