Custom Cut
Goshenite 1.040ct loose
Sale price¥8,800
Aventurine aquamarine 1.143ct loose
Sale price¥9,800
Aventurine aquamarine 0.774ct loose
Sale price¥8,800
Aventurine aquamarine 0.288ct loose
Sale price¥6,980
Pink spinel 0.969ct loose
Sale price¥9,800
Purple spinel 0.380ct loose
Sale price¥8,800
Bicolor tourmaline 1.198ct loose
Sale price¥14,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
Oregon Sunstone 0.217ct loose
Sale price¥5,980
Oregon Sunstone 0.226ct loose
Sale price¥5,980
Moss Agate 0.771ct loose
Sale price¥6,980
Moss Agate 1.115ct loose
Sale price¥8,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥8,800
Lepidocrocite in quartz 1.087ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.770ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.782ct loose
Sale price¥6,980
Sky blue topaz 10.967ct loose
Sale price¥19,800
Aquamarine 0.519ct loose
Sale price¥8,800
Tanzania Zoisite 0.278ct loose stone
Sale price¥8,800
Zoisite 0.216ct loose stone (heart shape)
Sale price¥8,800
Zoisite 0.162ct loose stone (heart shape)
Sale price¥8,800
Zoisite 0.247ct loose stone (heart shape)
Sale price¥8,800
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
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
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.169ct loose
Sale price¥5,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Oregon Sunstone 0.551ct loose
Sale price¥9,800
Spanish Andalusite 0.645ct loose stone
Sale price¥8,800
Pink tourmaline 0.656ct 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.