Australian Black Opal 0.387ct Loose
Sale price¥18,800
Zambian Canary Yellow Tourmaline 0.158ct Loose Stone
Sale price¥9,800
[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose
Sale price¥9,800
Synthetic Alexandrite 4.3mm/0.430ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.416ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire 0.347ct Loose Stone with Appraisal Report
Sale price¥25,800
Zimbabwe Green Diamond Rough (Sawable) 0.428ct Rough Stone with Trigon
Sale price¥158,000
Unheated Pigeon Blood Ruby 0.380ct Loose Stone AIGS
Sale price¥79,800
Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon
Sale price¥148,000
American Anthill Garnet 4.0mm/0.359ct Loose
Sale price¥12,800
Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
[Sale on March 22nd at 10 PM] Golden Zircon 0.416ct Loose Stone
Sale price¥9,800
Mexican Opal 0.353ct Loose (Faceted Cut)
Sale price¥9,800
Sri Lankan Hessonite Garnet 0.441ct Loose Stone
Sale price¥8,800
Brazilian Rainbow Scapolite 0.328ct Loose Stone
Sale price¥9,800
Synthetic Alexandrite 0.338ct loose stone
Sale price¥12,800
Zimbabwean bi-color euclase from Zimbabwe, 0.109 ct, loose stone
Sale price¥59,800
German Auyinite 3.5mm/0.131ct Loose Stone
Sale price¥29,800
US-sourced Oregon Sunstone 0.428ct Loose
Sale price¥18,800
Tanzanian Mandarin Garnet, 0.418 ct Loose Stone
Sale price¥25,800
0.175ct loose hot pink sapphire from Mozambique
Sale price¥15,800
Mexican Fire Opal 0.459ct Loose
Sale price¥18,800
Colombian emerald 0.155ct loose stone
Sale price¥29,800
Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose
Sale price¥12,800
Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
Tanzanian Bicolor Zoisite 0.312ct Loose Stone
Sale price¥12,800
Tanzanian Bekiri Blue Garnet (Color Change Garnet) 0.102ct Loose Stone
Sale price¥12,800
Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
0.338ct Canadian Green Diamond Rough (Sawable) - With Trigons
Sale price¥128,000
Mexican Fire Opal 0.218ct Loose Stone (Faceted Cut)
Sale price¥18,800
0.451 ct loose Colombian emerald
Sale price¥39,800
Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sale price¥12,800
Mexican Opal (Faceted) 0.208ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Colombian emerald 0.159ct loose stone
Sale price¥47,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
Tanzanian Tanzanite 4.3mm/0.311ct Loose Stone
Sale price¥12,800
Tibetan Andesine 0.320ct Loose Stone
Sale price¥9,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Pigeon Blood Ruby 0.490ct Loose
Sale price¥128,000
Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
0.343 ct Tanzanite Loose Gemstone from Tanzania
Sale price¥8,800
0.296ct Loose Tanzanite from Tanzania
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.