Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.448ct Loose Stone
Sale price¥6,980
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
Brazilian Paraiba Tourmaline 0.060ct Loose (CuO:1.6%, MnO:2.3%)
Sale price¥42,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Almandine Garnet 1.988ct Loose Stone
Sale price¥16,800
Almandine Garnet 1.388ct Loose Stone
Sale price¥11,800
Almandine Garnet 1.471ct Loose Stone
Sale price¥14,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Australian black opal 3.242ct loose stone
Sale price¥59,800
Tanzania Bicolor Zoisite 0.286ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥9,800
![[On Sale June 28th at 10 PM] Limited to 10 Stones: Brazilian Mint-Color Montebrasite (Princess Cut approx. 3.5mm) - 1 Loose Stone (Volume Discount Available)](http://store.karatz.jp/cdn/shop/files/P1010148_b8369c04-8eff-4993-89be-b2e98144c98d.jpg?v=1782382564&width=4000)
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.6mm/0.489ct Loose Stone
Sale price¥9,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥4,980
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Russian rough diamond (sawable) 0.088ct loose
Sale price¥19,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Montana Agate 9.528ct Loose
Sale price¥8,800
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥8,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
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.