Synthetic rutile 5mm/0.585ct loose
Sale price¥12,800
Synthetic rutile 5mm/0.642ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.880ct loose stone
Sale price¥12,800
Mongolian color change andesine 0.749ct loose stone
Sale price¥12,800
Mongolian color change andesine 0.665ct loose stone
Sale price¥12,800
![[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch](http://store.karatz.jp/cdn/shop/files/P1185356.jpg?v=1752322391&width=4000)
[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch
Sale price¥19,800
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
[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
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Spanish Andalusite 0.657ct loose stone
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
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
Brazilian bicolor tourmaline 0.572ct loose stone (rose cut)
Sale price¥14,800
Brazilian Bicolor Tourmaline 0.901ct Loose Stone (Rose Cut)
Sale price¥12,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 0.602ct loose stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 0.556ct loose stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Colombian Euclase 0.735ct loose stone
Sale price¥14,800
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 0.827ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.983ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
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
Madagascar Blue Sapphire 0.890ct Loose
Sale price¥39,800
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
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
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.