Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Australian boulder opal 13.190ct loose
Sale price¥18,800
Red beryl 0.096ct loose
Sale price¥22,800
Benitoite 0.091ct loose
Sale price¥22,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Grandidierite from Madagascar 0.169ct loose stone
Sale price¥15,800
Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.515ct loose stone
Sale price¥12,800
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Cantera opal 14.581ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Green opal 15.950ct loose
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥15,800
Zimbabwean Euclase 0.129ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
[On sale at 10pm on August 19th] Sliced Trapiche Diamond 0.228ct Loose
Sale price¥18,800
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Cantera Opal 5.750ct loose
Sale price¥18,800
[Posted 12533051] Cantera Opal 8.970ct Loose
Sale price¥12,800
White sapphire 4.5mm/0.414ct loose
Sale price¥12,800
White sapphire 0.418ct loose
Sale price¥12,800
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
Brazilian alexandrite 0.102ct loose
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Color change Andesine 1.67ct loose
Sale price¥25,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
Brazilian Morganite 1.266ct loose stone
Sale price¥29,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Brazilian green tourmaline 0.194ct loose stone
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.