Custom Cut
Cambodian Blue Zircon 1.757ct Loose
Sale price¥19,800
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥29,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥12,800
Mozambique Rubellite 0.410ct Loose Stone
Sale price¥15,800
Pink tourmaline 0.692ct loose stone
Sale price¥18,800
Pink tourmaline 0.845ct loose stone
Sale price¥14,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
0.768ct Yellow Sapphire Loose Stone from Ratnapura, Sri Lanka
Sale price¥19,800
0.421ct loose yellow sapphire from Ratnapura, Sri Lanka
Sale price¥11,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Morganite 0.379ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥24,800
Myanmar Pink Taaffeite 0.133ct Loose GIT
Sale price¥79,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Paraiba Tourmaline from Mozambique 0.153ct loose stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.154ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
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
Tanzanite 1.116ct loose stone
Sale price¥29,800
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
Tanzania Zoisite 4.4mm/0.215ct Loose Stone (Rose Cut)
Sale price¥5,980
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
Tanzanite 0.754ct loose stone
Sale price¥9,800
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
American Peridot 0.528ct Loose Stone
Sale price¥8,800
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
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.