Custom Cut
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Kunzite from Afghanistan 8.4mm/3.300ct loose stone
Sale price¥12,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥39,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥8,800
[Cat cut] Brazilian dendritic agate 0.744ct loose stone
Sale price¥8,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥15,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.292ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.337ct Loose Stone
Sale price¥6,980
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Mica in Quartz 0.865ct Loose Stone
Sale price¥6,980
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Pink diaspore 0.351ct loose stone
Sale price¥9,800
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
South African Sugilite 0.814ct loose stone
Sale price¥14,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Paraiba Tourmaline from Mozambique 0.234ct loose stone
Sale price¥12,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Spodumene 9.001ct loose stone
Sale price¥29,800
Spodumene 9.730ct loose stone
Sale price¥29,800
Andalusite 0.672ct loose
Sale price¥12,800
Spanish Andalusite 0.440ct loose stone
Sale price¥8,800
Spanish Andalusite 0.435ct loose stone
Sale price¥8,800
Almandine Garnet 1.255ct Loose Stone
Sale price¥14,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
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.