![[Shinjuku Marui Annex 202511] Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2)](http://store.karatz.jp/cdn/shop/files/P1251352_275c40a0-cb1b-4812-99ab-2befb2f5962f.jpg?v=1760187577&width=2795)
18KPG pink sapphire 0.32ct brown diamond ring
Sale price¥69,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
Russian Alexandrite 0.049ct loose stone
Sale price¥49,800
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
0.167ct loose alexandrite from Russia
Sale price¥98,000
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian Amblygonite/Montebrasite 0.644ct Loose Stone
Sale price¥9,800
![[Shinjuku Marui Annex 202511] Unheated Pigeon Blood Ruby from Myanmar, 0.640ct, Loose, AIGS](http://store.karatz.jp/cdn/shop/files/PA306174.jpg?v=1762648721&width=4000)
Chrysoberyl cat's eye 1.080ct loose
Sale price¥8,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
![[Shinjuku Marui Annex 202511] 18K Yellow Gold Lavender Tanzanite 3.5mm/0.211ct Diamond Ring](http://store.karatz.jp/cdn/shop/files/PB067499.jpg?v=1762600308&width=4000)
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Cambodian blue zircon (Ratanakiri blue) 2.143ct loose
Sale price¥29,800
Bicolor tanzanite 0.479ct loose
Sale price¥18,800
Blue zircon 0.397ct loose stone
Sale price¥6,980
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Brazilian Alexandrite 0.244ct Ruth (Hemachita Mine)
Sale price¥59,800
Sphene from Madagascar 1.853ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
American benitoite 0.098ct loose
Sale price¥25,800
![[12561025] American Red Beryl 0.032ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB070323_cd938735-6c23-4cda-a87d-e9e9afd5063a.jpg?v=1767104282&width=1533)
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.