Brazilian Green Tourmaline 2.218ct Loose
Sale price¥25,800
【Sales start May 30th, 10 PM JST】 Malawi Moonstone 2.601ct Loose
Sale price¥5,980
[On sale June 2nd, 10 PM] Spanish Sphalerite 4.445ct Loose Stone
Sale price¥79,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥9,800
Purple Zoisite 2.617ct rough stone
Sale price¥9,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥18,800
Brazilian Mica in Rose Quartz Loose Stone 3.245ct
Sale price¥5,980
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥8,800
Mexican Cantera Opal 1.867 ct Loose Stone
Sale price¥12,800
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
Iridescent Tourmaline 3.107ct Loose Stone
Sale price¥37,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥29,800
Brazilian Amethyst 2.975ct Loose Stone
Sale price¥9,800
Indian Black Moonstone 1.871ct Loose Gemstone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.524ct loose
Sale price¥29,800
Congo hemimorphite 3.399ct loose stone
Sale price¥19,800
Congo hemimorphite 4.210ct loose stone
Sale price¥25,800
Brazilian Limonite in Topaz 5.029ct Loose Stone (Rainbow)
Sale price¥15,800
Mexican egg-in opal 2.125ct loose stone
Sale price¥15,800
Mexican fire opal 2.499ct loose stone
Sale price¥18,800
Brazilian Blue Tourmaline in Quartz 3.379ct Loose Stone
Sale price¥15,800
British Rogerley Fluorite 3.750 ct loose stone
Sale price¥8,800
Australian Prehnite 2.666ct loose stone
Sale price¥12,800
Zambian bicolor tourmaline 4.142ct loose stone
Sale price¥98,000
Australian Prehnite 2.779 ct Loose Stone
Sale price¥12,800
Kazakhstan Golden Hill Turquoise 2.314ct Loose Stone
Sale price¥7,980
3.583ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥29,800
Brazilian Pyrite in Quartz 4.153ct Loose Stone
Sale price¥11,000
Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sale price¥8,800
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Brazilian Rose Quartz 1.793ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
2.594ct loose Oregon sunstone from the United States
Sale price¥39,800
Kunzite from Afghanistan 3.973ct loose stone
Sale price¥12,800
Mozambique Rhodolite Garnet 3.662ct Loose Stone
Sale price¥25,800
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.