Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
Russian oil-free emerald 0.570ct loose stone GIA
Sale price¥298,000
[Sold at 10 PM on September 12th] Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
[10/11 22:00 Sale] Madagascar Iolite 0.707ct Loose Stone
Sale price¥12,800
[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
[On Sale at 10pm on August 10th] Australian Prehnite 1.527ct Loose Stone
Sale price¥12,800
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
Tanzanian Dragon Garnet 0.746ct Loose Stone
Sale price¥17,800
Afghanistan Lazurite in Sodalite 0.579ct Loose Stone
Sale price¥9,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Spanish Andalusite 0.657ct loose stone
Sale price¥9,800
Tanzanian Almandine Garnet 1.263ct Loose Stone
Sale price¥12,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
Madagascar Apatite Cat's Eye 0.909ct Loose Stone
Sale price¥6,980
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Bicolor Topaz 0.973ct Loose Stone
Sale price¥12,800
Aquamarine 0.709ct loose stone
Sale price¥18,800
Tibetan Andesine 0.671ct loose stone
Sale price¥12,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
0.870ct loose purple spinel from Madagascar
Sale price¥14,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 0.520ct loose stone
Sale price¥12,800
Vietnam Aquamarine 0.585ct Loose
Sale price¥12,800
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Cambodian Zircon 1.547ct Loose Stone
Sale price¥22,800
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
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.