![[On sale at 10pm on October 20th] Pink sapphire 0.115ct loose stone](http://store.karatz.jp/cdn/shop/files/P8255621_463d483c-cdd2-4585-9677-215bae74f400.jpg?v=1760826645&width=2994)
[On sale at 10pm on October 20th] Pink sapphire 0.115ct loose stone
Sale price¥6,980
![[On sale from 10/20 at 10pm] 0.333ct loose sapphire](http://store.karatz.jp/cdn/shop/files/P8255095_7d63661f-ec88-4c7d-a133-3a2c3f224506.jpg?v=1760826646&width=4000)
[On sale from 10/20 at 10pm] 0.333ct loose sapphire
Sale price¥8,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
![[On Sale at 10 PM on August 11th] Afghanistan Oil-Free Emerald 0.100ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P7111592_98142a6f-80c3-4a13-a3fb-bec4bd6d515a.jpg?v=1754698988&width=2102)
![[On Sale at 10 PM on August 11th] 0.060ct Loose GIA Emerald from Madagascar, No Oil](http://store.karatz.jp/cdn/shop/files/P7111504_2a68ed93-d0a2-40e9-bf36-967ced39df1c.jpg?v=1754697292&width=2156)
Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity
Sale price¥45,800
[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose
Sale price¥12,800
[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
American Benitoite 0.158ct loose stone
Sale price¥59,800
Brazilian Unheated Bicolor Paraiba Tourmaline 0.105ct Loose GIA
Sale price¥198,000
Colombian emerald 0.202ct loose stone
Sale price¥59,800
Zimbabwean Euclase 0.169ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)
Sale price¥98,000
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
[On sale 7/3 at 22:00] Madagascar bicolor sapphire 0.232ct loose stone
Sale price¥15,800
[On sale 7/3 at 22:00] Madagascar bicolor sapphire 0.188ct loose stone
Sale price¥12,800
Namibian Jeremejevite 0.147ct loose stone with certificate
Sale price¥29,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
German Awinite 0.093ct loose stone
Sale price¥29,800
American Benitoite 0.167ct loose stone
Sale price¥59,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.063ct loose stone
Sale price¥39,800
Pakistani Axinite (Blue Tint) 0.300ct Loose
Sale price¥7,980
Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
Ruby 0.258ct loose
Sale price¥18,800
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.