Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Tanzanian Kornerupine 0.219ct Loose Stone
Sale price¥29,800
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
0.324ct loose pink sapphire from Madagascar
Sale price¥12,800
Opal 426.985ct rough stone
Sale price¥29,800
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
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
Colombian emerald rough stone 6.590ct
Sale price¥15,800
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
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
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
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.