Lepidocrocite in quartz 1.555ct loose
Sale price¥12,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Madagascar Apatite 0.763ct Loose Stone
Sale price¥6,980
Zoisite 1.219ct loose stone
Sale price¥15,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Hollandite in quartz 7.300ct loose
Sale price¥22,800
[E33 Shinjuku] K18PG Pink Sapphire 0.32ct Brown Diamond Ring
Sale price¥69,800
[E33 Shinjuku] 18K Gold with 0.49ct Brazilian Paraiba Tourmaline Ring, GIA
Sale price¥198,000
American Benitoite 0.165ct loose stone
Sale price¥59,800
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
Brazilian Amethyst 5.883ct Loose Stone
Sale price¥9,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Pakistani Ludwigite Peridot 0.615ct Loose Stone
Sale price¥7,980
2.472ct loose Larimar from the Dominican Republic
Sale price¥6,980
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
![[E33 Shinjuku] Russian oil-free emerald 0.223ct loose](http://store.karatz.jp/cdn/shop/files/PA161020.jpg?v=1760937369&width=4000)
[E33 Shinjuku] Russian oil-free emerald 0.223ct loose
Sale price¥25,800
Russian Demantoid Garnet (Horsetail) 0.036ct Loose Stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
2.568ct loose Larimar from the Dominican Republic
Sale price¥8,800
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
![[E33 Shinjuku] 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)
[E33 Shinjuku] Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
American Benitoite 0.175ct Loose Stone
Sale price¥128,000
[E33 Shinjuku] Unheated Royal Blue Sapphire 0.640ct Loose AIGS
Sale price¥158,000
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.