[12558643] Safarin 0.251ct loose stone
Sale price¥19,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Grandidierite from Madagascar 2.7mm/0.102ct loose stone
Sale price¥25,800
Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
Grandidierite from Madagascar 0.169ct loose stone
Sale price¥15,800
[E33 Shinjuku] Madagascar Apatite 2.020ct Loose Stone
Sale price¥15,800
[E33 Shinjuku] Madagascar Iolite 0.707ct Loose Stone
Sale price¥12,800
Madagascar Apatite 0.763ct Loose Stone
Sale price¥6,980
[E33 Shinjuku] Bolivian Phosphophyllite 2.589ct Loose Stone, Japan-Germany Exchange
Sale price¥1,280,000
[E33 Shinjuku] Peridot 3.309ct loose stone
Sale price¥18,800
Benitoite 0.154ct loose
Sale price¥118,000
[Updated 12552163] Benitoite 0.099ct loose stone
Sale price¥34,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥98,000
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Vietnam Aquamarine 5.6mm/0.577ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 4.5mm/0.319ct Loose Stone
Sale price¥7,980
Bulgarian Green Sphalerite 0.403ct Loose Stone
Sale price¥69,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥29,800
[E33 Shinjuku] Blue Sapphire 4.1mm/0.332ct Loose
Sale price¥25,800
Blue sapphire 3.9mm/0.260ct loose stone
Sale price¥8,800
Blue sapphire 1.432ct loose stone
Sale price¥39,800
[E33 Shinjuku] Blue sapphire 0.591ct loose stone
Sale price¥9,800
Blue sapphire 0.466ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire 0.448ct Loose
Sale price¥12,800
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
[E33 Shinjuku] Blue sapphire 0.295ct loose stone
Sale price¥7,980
[E33 Shinjuku] Blue sapphire 0.291ct loose stone
Sale price¥18,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
[E33 Shinjuku] Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone
Sale price¥14,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 3.188ct Loose Stone
Sale price¥15,800
Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Stone
Sale price¥39,800
[E33 Shinjuku] Brazilian Lavender Quartz (Scorolite) 1.851ct Loose Stone
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.