Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Colombian emerald 0.202ct loose stone
Sale price¥59,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Cambodian Zircon 1.818ct Loose
Sale price¥12,800
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Brazilian Imperial Topaz 0.398ct Loose Stone
Sale price¥12,800
Zimbabwean Euclase 0.169ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
[On sale at 10pm on August 17th] Aquamarine 0.680ct loose stone
Sale price¥14,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.090ct Loose
Sale price¥9,800
Brazilian bicolor topaz 3.098ct loose stone
Sale price¥29,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
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
Brazilian Paraiba Tourmaline in Quartz 6mm/0.684ct Loose Stone
Sale price¥15,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
Bicolor sapphire 0.970ct loose stone
Sale price¥25,800
Indian Moonstone 3.367ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Colombian Euclase 2.015ct loose stone
Sale price¥18,800
Spanish Andalusite 0.657ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
Tanzanian Almandine Garnet 1.263ct Loose Stone
Sale price¥12,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
Indonesian Parasitic Peridot Cat's Eye 0.489ct Loose Stone
Sale price¥158,000
German Awinite 3.5mm/0.158ct loose stone
Sale price¥98,000
Brazilian Rhodonite 1.558ct loose stone
Sale price¥22,800
Sri Lankan bicolor sapphire 1.396ct loose stone
Sale price¥39,800
Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)
Sale price¥98,000
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Phosphophyllite rough stone (59.5 x 35.9 x 36 mm)
Sale price¥298,000
Cinnabar rough stone (38.1 x 28.8 x 22.4 mm)
Sale price¥98,000
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.