Tanzanian Kornerupine 0.132ct Loose Stone
Sale price¥9,800
Cambodian Blue Zircon 0.440ct Loose
Sale price¥9,800
Loose Oregon Sunstone from the USA, 0.318ct
Sale price¥6,980
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sale price¥14,800
Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥29,800
Tanzanian Green Zoisite 0.354ct Loose Stone
Sale price¥12,800
Green zoisite from Tanzania, 0.262 ct loose
Sale price¥9,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sale price¥12,800
USA origin Peridot, 0.496 ct, 2-stone matched pair, loose
Sale price¥12,800
Tanzanian Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
Tanzanite from Tanzania 0.467ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.436ct loose stone
Sale price¥8,800
0.257ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥12,800
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Diamond rough (makeable) 0.204ct rough
Sale price¥39,800
Brazilian Dumortierite in Quartz 0.382ct Loose Stone
Sale price¥9,800
Zimbabwean Bicolor Euclase 0.201ct Loose Stone
Sale price¥48,800
Mexican Water Opal (Faceted) 0.215ct Loose (Contrarus Opal)
Sale price¥18,800
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Colombian emerald 3.3mm/0.131ct loose stone
Sale price¥25,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.115ct Loose (CuO:2.0%, MnO:0.6%)
Sale price¥59,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar, 0.183ct Loose
Sale price¥18,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥18,800
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.221ct Loose Stone
Sale price¥22,800
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
Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)
Sale price¥12,800
![[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
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[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
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
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
[12/6 22:00] Tanzanian Green Zoisite 0.435ct Loose Stone
Sale price¥12,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥3,980
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.