Australian Opal 0.374ct Loose
Sale price¥6,980
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Brazilian pink tourmaline 0.385ct loose stone
Sale price¥7,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 5.0mm/0.338ct Loose Stone
Sale price¥8,800
Tanzanian Spessartine Garnet 0.209ct Loose Stone
Sale price¥4,980
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Colombian emerald 0.222ct loose stone
Sale price¥59,800
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Brazilian Goshenite 0.259ct loose stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.405ct Loose Stone
Sale price¥6,980
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Blue sapphire 4.0mm/0.314ct loose stone
Sale price¥112,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Zimbabwean Bicolor Euclase 0.197ct Loose Stone
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Tanzanian magnesioaxinite 0.380ct loose stone, Japan-Germany Quantity
Sale price¥39,800
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
0.417ct loose blue sapphire from Madagascar
Sale price¥9,800
0.374ct loose blue sapphire from Madagascar
Sale price¥9,800
0.333ct loose sapphire
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Russian Demantoid Garnet (Horsetail) 0.100ct Loose
Sale price¥14,800
Russian Demantoid Garnet (Horsetail) 0.115ct Loose Stone
Sale price¥18,800
Russian emerald 0.249ct loose stone
Sale price¥158,000
Russian emerald 0.269ct loose stone
Sale price¥79,800
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
[On sale at 10pm on August 19th] Sliced Trapiche Diamond 0.228ct Loose
Sale price¥18,800
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.