Goshenite 0.846ct loose stone
Sale price¥7,980
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥12,800
[On sale June 14th at 10 PM] Australian Black Opal 1.080ct Loose Stone
Sale price¥39,800
Mica in Quartz 0.758ct Loose Stone
Sale price¥5,980
Brazilian pink tourmaline 0.968ct loose stone
Sale price¥18,800
Mexican Opal 0.854ct Loose
Sale price¥5,980
Sky blue topaz 1.051ct loose stone
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥9,800
[On sale June 6th at 10 PM] Malawi Moonstone 2.201ct Loose Stone
Sale price¥15,800
[On sale June 12th at 10 PM] Malawi Moonstone 2.144ct Loose
Sale price¥15,800
[On sale June 7th at 10 PM] Malawi Moonstone 1.792ct Loose Gemstone
Sale price¥15,800
[On Sale May 30th at 10 PM] Malawi Moonstone 1.475ct Loose Gemstone
Sale price¥9,800
[Sale on May 30th at 10 PM] Synthetic Rutile 6.2mm/1.594ct Loose Stone
Sale price¥15,800
[Sale on June 13th at 10 PM] Ruby 0.820ct Loose Stone - Hogikyo
Sale price¥39,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥6,980
Myanmar Star Spinel 2.030ct Loose
Sale price¥69,800
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥5,980
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥18,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Pink tourmaline 6.1mm/1.031ct loose stone
Sale price¥12,800
Zoisite 0.162ct loose stone (heart shape)
Sale price¥7,980
[On sale May 10th, 10 PM JST] Madagascar Andalusite 2.187ct Loose Stone
Sale price¥32,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.736ct loose stone
Sale price¥5,980
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥5,980
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Sapphire 0.461ct loose stone
Sale price¥12,800
Andalusite 0.672ct loose
Sale price¥8,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥8,800
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥18,800
GGG (Gadolinium Gallium Garnet) 3.046ct Loose Stone
Sale price¥18,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥12,800
Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2)
Sale price¥98,000
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.