American benitoite 0.133ct loose
Sale price¥29,800
American benitoite 0.102ct loose
Sale price¥22,800
American benitoite 0.098ct loose
Sale price¥25,800
American benitoite 0.187ct loose
Sale price¥39,800
Mint green sapphire 0.348ct loose
Sale price¥9,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥7,980
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥7,980
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥9,800
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥8,800
Brazilian Alexandrite 0.244ct Ruth (Hemachita Mine)
Sale price¥59,800
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
![[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052855_857b4320-efea-4ef8-b2dc-ff8f43f91566.jpg?v=1765587147&width=2968)
![[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
Chrome tourmaline 0.300ct loose stone
Sale price¥2,980
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
Red beryl 0.104ct loose
Sale price¥29,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
White topaz 16.06ct loose
Sale price¥25,800
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥55,800
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Zircon 0.416ct loose
Sale price¥3,980
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥9,800
![[1/4 22:00 Sale] Brazilian Tourmaline 0.270ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052284.jpg?v=1767484195&width=4000)
[1/4 22:00 Sale] Brazilian Tourmaline 0.270ct Loose Stone
Sale price¥5,980
![[1/4 22:00 Sale] Sri Lankan Chrysoberyl Cat's Eye 0.447ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052214.jpg?v=1767484195&width=4000)
![[1/2 22:00 Sale] Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)](http://store.karatz.jp/cdn/shop/files/PC240121.jpg?v=1767275395&width=4000)
[1/2 22:00 Sale] Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
![[1/2 22:00 Sale] Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal)](http://store.karatz.jp/cdn/shop/files/PC240043_ec518479-ffe7-45e0-b250-412a86f35bef.jpg?v=1767274443&width=4000)
![[1/2 22:00 Sale] Brazilian Amethyst 0.256ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240059_7cdf0217-7619-4288-bd26-b3eefae0559d.jpg?v=1767275100&width=2952)
[1/2 22:00 Sale] Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
![[1/4 22:00 Sale] Sri Lankan Yellow Sapphire 0.297ct Loose](http://store.karatz.jp/cdn/shop/files/PC052373_25e69aae-a2b9-4d47-85eb-63421f78ebb1.jpg?v=1767484196&width=4000)
[1/4 22:00 Sale] Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Spinel 0.310ct loose
Sale price¥6,980
Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
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.