Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Sphene 0.503ct loose stone
Sale price¥8,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Mexican Fire Opal 1.424ct Loose
Sale price¥49,800
Yellow Zircon 0.268ct Loose
Sale price¥9,800
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥9,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
[Camellia Cut] Ametrine 14mm/8.308ct Loose Stone
Sale price¥89,800
Yellow sapphire 0.445ct loose
Sale price¥8,800
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.315ct loose
Sale price¥6,980
Yellow sapphire 0.464ct loose
Sale price¥12,800
Montana Sapphire 0.235ct loose (yellow sapphire)
Sale price¥8,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
[Dandelion Cut] Madagascar Sphene 6.0mm/0.935ct Loose Stone
Sale price¥55,800
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.