Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
1.483ct blue sapphire loose stone
Sale price¥98,000
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
[On sale at 10pm on August 15th] Sri Lankan Star Sapphire 2.062ct Loose
Sale price¥12,800
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
[On sale at 10pm on August 17th] Aquamarine 0.680ct loose stone
Sale price¥14,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.2mm/0.533ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Brazilian Rhodonite 1.558ct loose stone
Sale price¥22,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 1.045ct Loose Stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 1.079ct loose stone
Sale price¥19,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
[7/5 22:00 Fireworks] Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Brazilian Swiss Blue Topaz 0.983ct 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 Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Aquamarine 0.709ct loose stone
Sale price¥18,800
Tibetan Andesine 0.671ct 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
Brazilian mint color tourmaline 0.849ct loose stone
Sale price¥29,800
Spanish Sphalerite 5.6mm/0.956ct loose stone
Sale price¥14,800
Spanish Sphalerite 5.6mm/0.841ct loose stone
Sale price¥12,800
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
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.