Tibetan Andesine 2.020ct Loose Stone
Sale price¥18,800
Sri Lankan Green Zircon 4.6mm/0.543ct Loose Stone
Sale price¥8,800
Sri Lankan Brown Zircon 1.121ct Loose Stone
Sale price¥12,800
Sri Lankan Green Zircon 4.0mm/0.344ct Loose Stone
Sale price¥6,980
Turkish pink diaspore 0.171ct loose stone
Sale price¥8,800
Turkish pink diaspore 0.194ct loose stone
Sale price¥9,800
Turkish pink diaspore 0.151ct loose stone
Sale price¥8,800
![[Koshu Precious Stone Cut] Bicolor Fluorite 20.850ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_cc003cbe-63f3-4a0a-9253-31012fc79497.png?v=1745533157&width=2000)
Colombian emerald cat's eye 0.078ct loose
Sale price¥6,980
Colombian emerald cat's eye 0.083ct loose
Sale price¥6,980
Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 5.3mm/0.692ct loose
Sale price¥128,000
Russian demantoid garnet (horsetail recognized) 5.5mm/0.710ct loose
Sale price¥148,000
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Tanzanian mint diopside 0.229ct loose stone
Sale price¥12,800
Brazilian Madeira Citrine 0.867ct Loose Stone
Sale price¥9,800
Brazilian Madeira Citrine 0.602ct Loose Stone
Sale price¥8,800
Brazilian Madeira Citrine 4.7mm/0.414ct Loose Stone
Sale price¥8,800
Afghanite from Afghanistan 0.193ct loose stone
Sale price¥39,800
Tanzanian Rhodolite Garnet 0.627ct Loose Stone
Sale price¥8,800
Zambian Canary Yellow Tourmaline 0.25ct Loose Stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.361ct Loose Stone
Sale price¥9,800
[Rouge cut] Mozambique almandine garnet 0.954ct loose stone
Sale price¥9,800
[Rouge cut] Mozambique almandine garnet 0.904ct loose stone
Sale price¥9,800
Colombian Euclase 2.360ct loose
Sale price¥79,800
Brazilian Paraiba tourmaline in quartz 3.678ct loose
Sale price¥9,800
Moldavite from former Czechoslovakia 0.051ct loose stone
Sale price¥7,980
Blue beryl (Macis beryl) 0.166ct loose stone
Sale price¥8,800
Pakistani Lazurite (Azurite) 4.1mm/0.318ct Loose Stone
Sale price¥59,800
Pt950 Sri Lankan purple sapphire 0.318ct and blue sapphire earrings
Sale price¥39,800
[Koshu Precious Stones plusthree] Bicolor Fluorite 5.030ct Loose Patch
Sale price¥29,800
Brazilian Dumortierite in Quartz 55.207ct Rough Stone
Sale price¥8,800
Brazilian Euclase 5.0mm/0.492ct Loose Stone
Sale price¥9,800
Colombian emerald 8.90ct rough stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.751ct Loose Stone
Sale price¥15,800
Russian demantoid garnet (horsetail recognized) 0.105ct loose
Sale price¥14,800
![[Koshu Precious Stones Plusthree] Sri Lankan Hessonite Garnet 0.99ct Loose Color "Collaboration" Patch](http://store.karatz.jp/cdn/shop/files/099ct-663728.jpg?v=1745883466&width=1038)
Euclase from Brazil 0.210ct Ruth Japanese German edition
Sale price¥29,800
Tanzanian bicolor sapphire 0.279ct loose stone
Sale price¥18,800
Colombian Trapiche Emerald 2.730ct Loose
Sale price¥98,000
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
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.