Zircon 0.991ct loose stone
Sale price¥8,800
Zircon 0.848ct loose stone
Sale price¥8,800
Tanzanian zircon 0.942ct loose stone
Sale price¥8,800
Tanzanian orange zircon 0.813ct loose stone
Sale price¥6,980
Pink star sapphire 0.619ct loose
Sale price¥5,980
Brazilian Andalusite 0.557ct loose
Sale price¥2,980
Brazilian Andalusite 0.634ct loose
Sale price¥3,980
Brazilian Andalusite 0.608ct loose
Sale price¥3,980
Paracytic peridot 0.536ct loose
Sale price¥188,000
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Hackmanite 0.506ct loose
Sale price¥45,800
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.560ct Loose Stone (Phantom Cut)
Sale price¥3,980
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
American fluorite 0.842ct loose stone
Sale price¥2,980
Bicolor spinel 0.737ct loose
Sale price¥25,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥6,980
Burmese bicolor spinel 0.849ct loose
Sale price¥35,800
Pink sapphire 0.934ct loose
Sale price¥15,800
[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥6,980
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥6,980
Pink zircon 0.930ct loose
Sale price¥8,800
Diamond 0.618ct loose (I, I1, tree cut)
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.