Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Pink tourmaline 0.391ct loose
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
![[Sold at 10 PM on September 7th] Pt900 Brazilian Swiss Blue Topaz 0.41ct Cat Cut Earrings](http://store.karatz.jp/cdn/shop/files/collage_b0e69240-6053-4a80-91cb-b76080613627.png?v=1757161767&width=2000)
![[On Sale at 10 PM on September 5th] Pt950 Myanmar Gray Spinel (Platinum Spinel) 5.5mm/0.685ct Black Diamond Ring](http://store.karatz.jp/cdn/shop/files/collage_9d2c63d9-eb14-4afd-9368-cacc817cec80.png?v=1756858734&width=2000)
[Posted 12529980] Paraiba tourmaline from Brazil 1.649ct loose
Sale price¥18,800
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Tanzanite 4.940ct rough stone
Sale price¥3,980
White topaz 3.780ct loose
Sale price¥9,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Brazilian blue tourmaline 0.353ct loose
Sale price¥9,800
Dumortierite in quartz 4.110ct loose
Sale price¥18,800
African bicolor tourmaline 0.950ct loose stone (phantom cut)
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥198,000
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose
Sale price¥79,800
Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose
Sale price¥15,800
Bicolor tourmaline 1.050ct loose
Sale price¥8,800
Bicolor tourmaline 0.780ct loose
Sale price¥9,800
Tanzanite 41.690ct loose
Sale price¥2,480,000
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.