Opal 1.020ct loose
Sale price¥29,800
Red beryl 0.166ct loose
Sale price¥49,800
Diamond 2.810ct rough stone
Sale price¥9,800
Colombian emerald cat's eye 0.417ct loose
Sale price¥39,800
[On sale at 10pm on August 19th] Sliced Trapiche Diamond 0.228ct Loose
Sale price¥18,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Tanzanian Golden Zircon 3.548ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥15,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
Sakura Shape Green Zircon from Sri Lanka, 7.7mm/2.620ct Loose
Sale price¥29,800
Camellia Cut Ethiopian Opal 5.083ct/14mm Loose
Sale price¥69,800
Afghanistan Oil-Free Emerald 0.100ct Loose GIA
Sale price¥98,000
Colombian emerald, 17.581ct rough, Japan-Germany kanji
Sale price¥45,800
0.060ct loose, oil-free emerald from Madagascar, GIA
Sale price¥69,800
[Sakura In-Cut] Spanish Andalusite 6.0mm/0.715ct Loose Stone
Sale price¥59,800
Pakistani Veirinite 0.177ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Zimbabwean Euclase 0.545ct Rough Stone
Sale price¥29,800
Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.393ct loose stone
Sale price¥8,800
Zimbabwean sphene 4.1mm/0.294ct loose stone
Sale price¥6,980
Zimbabwean sphene 4.0mm/0.276ct loose stone
Sale price¥6,980
Pakistani Peridot 0.361ct Loose Stone
Sale price¥4,980
Pakistani Peridot 0.408ct Loose Stone
Sale price¥6,980
American Peridot 0.458ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.410ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.376ct Loose Stone
Sale price¥6,980
American Peridot 0.546ct Loose Stone
Sale price¥5,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.515ct loose stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.417ct loose stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Stone
Sale price¥12,800
Indian Moonstone 6.2mm/0.810ct Loose
Sale price¥8,800
Indian Moonstone 6.2mm/0.775ct Loose Stone
Sale price¥7,980
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥8,800
Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
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.