pear shape
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
0.093ct Hackmanite from Afghanistan
Sale price¥16,800
Afghan Hackmanite 0.205 ct Loose
Sale price¥36,800
Greenland sapphire 0.592ct loose stone
Sale price¥18,800
Tanzanian Pink Zoisite 0.190ct Loose Stone with Gemstone Report
Sale price¥79,800
German Awinite 0.056ct loose stone
Sale price¥22,800
Brazilian Aquamarine 68.088ct Loose Stone with Gem Identification Report
Sale price¥39,800
Spanish Cobalt Calcite 0.253ct Loose Stone with Certificate
Sale price¥25,800
Kunzite from Afghanistan (Lilac Pink) 49.724 ct Loose Gemstone
Sale price¥298,000
Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)
Sale price¥29,800
Ruby 0.286ct Loose Stone with Certificate
Sale price¥22,800
4.040 ct loose Brazilian mica in rose quartz
Sale price¥5,980
Zimbabwean Euclase 0.088ct loose stone
Sale price¥49,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥15,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Nepalese bicolor kyanite 0.987ct loose stone
Sale price¥9,800
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.529ct Loose Stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.642ct Loose Stone
Sale price¥8,800
South African Rhodochrosite 1.820ct Loose Stone
Sale price¥128,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
Brazilian Limonite in Blue Topaz 9.314ct Loose Stone
Sale price¥25,800
Brazilian Blue Tourmaline in Quartz 3.379ct Loose Stone
Sale price¥15,800
Brazilian Dumortierite in Quartz 0.803ct Loose
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.937ct Loose (Faceted)
Sale price¥9,800
Tanzanian Rhodolite Garnet 1.765ct Loose Gemstone
Sale price¥18,800
0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2)
Sale price¥49,800
0.174ct Brown Diamond Loose (FANCY DARK BROWN, SI-2)
Sale price¥25,800
Tanzanian Rhodolite Garnet 2.370 ct Loose Stone
Sale price¥19,800
Tanzanite 0.579ct loose stone from Tanzania
Sale price¥5,980
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Tanzanite from Tanzania 0.467ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 2.777ct loose stone
Sale price¥98,000
Zimbabwean Bicolor Euclase 0.201ct Loose Stone
Sale price¥48,800
Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)
Sale price¥12,800
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.