Brazilian dendritic quartz 4.587ct loose stone
Sale price¥9,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥9,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥8,800
Mexican Opal 0.854ct Loose
Sale price¥5,980
Sky blue topaz 1.051ct loose stone
Sale price¥8,800
Lepidocrocite in quartz 0.532ct loose
Sale price¥6,980
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥5,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥9,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥9,800
【Sales start May 30th, 10 PM JST】 Malawi Moonstone 2.601ct Loose
Sale price¥5,980
[On Sale May 30th at 10 PM] Malawi Moonstone 1.475ct Loose Gemstone
Sale price¥9,800
[On sale May 30th at 10 PM] Mongolian Andesine 0.464ct Loose Stone
Sale price¥9,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥8,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥6,980
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥7,980
Almandine Garnet 1.049ct Loose Stone
Sale price¥9,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥5,980
Romanesite in Quartz 4.825ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥5,980
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Sphene 0.503ct loose stone
Sale price¥5,980
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥8,800
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥9,800
Brazilian Flower Quartz 4.666ct Loose Stone
Sale price¥9,800
[On sale June 7th at 10 PM] Nepal Green Kyanite 0.764ct Loose Stone
Sale price¥6,980
Brazilian alexandrite 0.051ct loose
Sale price¥9,800
Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥9,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Purple Spinel 4.3mm/0.323ct Loose Stone
Sale price¥6,980
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.