Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Brazilian Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Sweet Home Rhodochrosite 2.7mm/0.108ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥12,800
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
Madagascar Purple Spinel 5.2mm/0.651ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
Afghanistan diaspore 0.215ct loose stone
Sale price¥12,800
Brazilian Green Spodumene 1.997ct Loose Stone
Sale price¥12,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
American Benitoite 0.167ct loose stone
Sale price¥59,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
American Benitoite 3.1mm/0.129ct loose stone
Sale price¥59,800
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Tanzanite 0.477ct loose stone (princess cut) from Tanzania
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
Brazilian Green Tourmaline 1.431ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Pakistani Lazurite (Azurite) 0.290ct loose stone
Sale price¥98,000
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥49,800
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct 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.