Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Pakistani vanadium sphene 0.759ct loose
Sale price¥49,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
Blue Sapphire 5.0mm/0.552ct Loose Stone
Sale price¥18,800
0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sale price¥29,800
Tanzanite from Tanzania 0.467ct loose stone
Sale price¥9,800
Sri Lankan Bicolor Sapphire 0.607ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the United States, 5.0mm/0.520ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 0.680ct loose stone
Sale price¥15,800
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Brazilian Dumortierite in Quartz 0.382ct Loose Stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 4.2mm/0.325ct Loose Stone
Sale price¥59,800
Sri Lankan Sinhalite 0.434ct Loose Stone
Sale price¥8,800
![[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose](http://store.karatz.jp/cdn/shop/files/PC053061_853dfbb9-2bb5-4b4f-abbd-aef4b76d3dd5.jpg?v=1766553969&width=4000)
[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose
Sale price¥18,800
![[12/7 22:00] Brazilian Rubellite 0.332ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052669.jpg?v=1765587579&width=4000)
[12/7 22:00] Brazilian Rubellite 0.332ct Loose Stone
Sale price¥12,800
![[12/7 22:00] American Peridot 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052641_37df0278-4a00-4c48-9087-8187fb202890.jpg?v=1765587659&width=4000)
[12/7 22:00] American Peridot 0.385ct Loose Stone
Sale price¥8,800
Synthetic quartz 0.430ct loose stone (synthetic green quartz)
Sale price¥6,980
Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.131ct Loose Stone
Sale price¥12,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Mozambique ruby 0.537ct loose stone
Sale price¥15,800
Kenyan Tsavorite 0.806ct Loose Stone
Sale price¥39,800
[12/6 22:00] Tanzanian Green Zoisite 0.435ct Loose Stone
Sale price¥12,800
0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥3,980
Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Green sapphire 0.607ct loose stone
Sale price¥12,800
Sri Lankan Golden Sapphire 0.649ct Loose
Sale price¥29,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)
Sale price¥14,800
Tanzanian Almandine Garnet 0.930ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.750ct Loose Stone
Sale price¥9,800
Oregon Sunstone from the United States, 0.530ct loose stone
Sale price¥15,800
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Mozambique rubellite 0.814ct loose stone
Sale price¥39,800
Pakistani Peridot 0.649ct Loose Stone
Sale price¥8,800
Zimbabwean sphene 4.7mm/0.400ct loose stone
Sale price¥9,800
Colombian Euclase 0.546ct Loose Stone
Sale price¥25,800
Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
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.